diff --git a/pmd-apex-jorje/pom.xml b/pmd-apex-jorje/pom.xml
index 09ef0b3a88..1fbad57b7e 100644
--- a/pmd-apex-jorje/pom.xml
+++ b/pmd-apex-jorje/pom.xml
@@ -8,7 +8,7 @@
   <parent>
     <groupId>net.sourceforge.pmd</groupId>
     <artifactId>pmd</artifactId>
-    <version>6.37.0</version>
+    <version>6.38.0-SNAPSHOT</version>
     <relativePath>../</relativePath>
   </parent>
 
diff --git a/pmd-apex/pom.xml b/pmd-apex/pom.xml
index d08362e1d6..07347a24df 100644
--- a/pmd-apex/pom.xml
+++ b/pmd-apex/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <groupId>net.sourceforge.pmd</groupId>
         <artifactId>pmd</artifactId>
-        <version>6.37.0</version>
+        <version>6.38.0-SNAPSHOT</version>
         <relativePath>../</relativePath>
     </parent>
 
diff --git a/pmd-core/pom.xml b/pmd-core/pom.xml
index 1904c8d9ce..279e93c935 100644
--- a/pmd-core/pom.xml
+++ b/pmd-core/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <groupId>net.sourceforge.pmd</groupId>
         <artifactId>pmd</artifactId>
-        <version>6.37.0</version>
+        <version>6.38.0-SNAPSHOT</version>
         <relativePath>../</relativePath>
     </parent>
 
diff --git a/pmd-cpp/pom.xml b/pmd-cpp/pom.xml
index b378bde0ca..040ec9a4c8 100644
--- a/pmd-cpp/pom.xml
+++ b/pmd-cpp/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <groupId>net.sourceforge.pmd</groupId>
         <artifactId>pmd</artifactId>
-        <version>6.37.0</version>
+        <version>6.38.0-SNAPSHOT</version>
         <relativePath>../</relativePath>
     </parent>
 
diff --git a/pmd-cs/pom.xml b/pmd-cs/pom.xml
index bfd7c99062..9c4c6528ec 100644
--- a/pmd-cs/pom.xml
+++ b/pmd-cs/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <groupId>net.sourceforge.pmd</groupId>
         <artifactId>pmd</artifactId>
-        <version>6.37.0</version>
+        <version>6.38.0-SNAPSHOT</version>
         <relativePath>../</relativePath>
     </parent>
 
diff --git a/pmd-dart/pom.xml b/pmd-dart/pom.xml
index c2f0362b6c..3f432eeaba 100644
--- a/pmd-dart/pom.xml
+++ b/pmd-dart/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <groupId>net.sourceforge.pmd</groupId>
         <artifactId>pmd</artifactId>
-        <version>6.37.0</version>
+        <version>6.38.0-SNAPSHOT</version>
         <relativePath>../</relativePath>
     </parent>
 
diff --git a/pmd-dist/pom.xml b/pmd-dist/pom.xml
index b13adc6a8a..7a0e2dacd7 100644
--- a/pmd-dist/pom.xml
+++ b/pmd-dist/pom.xml
@@ -8,7 +8,7 @@
     <parent>
         <groupId>net.sourceforge.pmd</groupId>
         <artifactId>pmd</artifactId>
-        <version>6.37.0</version>
+        <version>6.38.0-SNAPSHOT</version>
         <relativePath>../</relativePath>
     </parent>
 
diff --git a/pmd-doc/pom.xml b/pmd-doc/pom.xml
index 43a203da7c..34a735f5da 100644
--- a/pmd-doc/pom.xml
+++ b/pmd-doc/pom.xml
@@ -8,7 +8,7 @@
     <parent>
         <groupId>net.sourceforge.pmd</groupId>
         <artifactId>pmd</artifactId>
-        <version>6.37.0</version>
+        <version>6.38.0-SNAPSHOT</version>
         <relativePath>../</relativePath>
     </parent>
 
diff --git a/pmd-fortran/pom.xml b/pmd-fortran/pom.xml
index d8a3ae7d77..9aa757cd84 100644
--- a/pmd-fortran/pom.xml
+++ b/pmd-fortran/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <groupId>net.sourceforge.pmd</groupId>
         <artifactId>pmd</artifactId>
-        <version>6.37.0</version>
+        <version>6.38.0-SNAPSHOT</version>
         <relativePath>../</relativePath>
     </parent>
 
diff --git a/pmd-go/pom.xml b/pmd-go/pom.xml
index be532aefb5..de0d29ef42 100644
--- a/pmd-go/pom.xml
+++ b/pmd-go/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <groupId>net.sourceforge.pmd</groupId>
         <artifactId>pmd</artifactId>
-        <version>6.37.0</version>
+        <version>6.38.0-SNAPSHOT</version>
         <relativePath>../</relativePath>
     </parent>
 
diff --git a/pmd-groovy/pom.xml b/pmd-groovy/pom.xml
index 3cd06b85a8..81748d5c73 100644
--- a/pmd-groovy/pom.xml
+++ b/pmd-groovy/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <groupId>net.sourceforge.pmd</groupId>
         <artifactId>pmd</artifactId>
-        <version>6.37.0</version>
+        <version>6.38.0-SNAPSHOT</version>
         <relativePath>../</relativePath>
     </parent>
 
diff --git a/pmd-java/pom.xml b/pmd-java/pom.xml
index b648a255d7..2fd7d4c0d2 100644
--- a/pmd-java/pom.xml
+++ b/pmd-java/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <groupId>net.sourceforge.pmd</groupId>
         <artifactId>pmd</artifactId>
-        <version>6.37.0</version>
+        <version>6.38.0-SNAPSHOT</version>
         <relativePath>../</relativePath>
     </parent>
 
diff --git a/pmd-java8/pom.xml b/pmd-java8/pom.xml
index 8511f2a430..9f08b33dcb 100644
--- a/pmd-java8/pom.xml
+++ b/pmd-java8/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <groupId>net.sourceforge.pmd</groupId>
         <artifactId>pmd</artifactId>
-        <version>6.37.0</version>
+        <version>6.38.0-SNAPSHOT</version>
         <relativePath>../</relativePath>
     </parent>
 
diff --git a/pmd-javascript/pom.xml b/pmd-javascript/pom.xml
index 36a06bda17..7089c683b1 100644
--- a/pmd-javascript/pom.xml
+++ b/pmd-javascript/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <groupId>net.sourceforge.pmd</groupId>
         <artifactId>pmd</artifactId>
-        <version>6.37.0</version>
+        <version>6.38.0-SNAPSHOT</version>
         <relativePath>../</relativePath>
     </parent>
 
diff --git a/pmd-jsp/pom.xml b/pmd-jsp/pom.xml
index 39b22ce846..e8e2536616 100644
--- a/pmd-jsp/pom.xml
+++ b/pmd-jsp/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <groupId>net.sourceforge.pmd</groupId>
         <artifactId>pmd</artifactId>
-        <version>6.37.0</version>
+        <version>6.38.0-SNAPSHOT</version>
         <relativePath>../</relativePath>
     </parent>
 
diff --git a/pmd-kotlin/pom.xml b/pmd-kotlin/pom.xml
index d4b52ba866..fa532436ef 100644
--- a/pmd-kotlin/pom.xml
+++ b/pmd-kotlin/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <groupId>net.sourceforge.pmd</groupId>
         <artifactId>pmd</artifactId>
-        <version>6.37.0</version>
+        <version>6.38.0-SNAPSHOT</version>
         <relativePath>../</relativePath>
     </parent>
 
diff --git a/pmd-lang-test/pom.xml b/pmd-lang-test/pom.xml
index 762cafc16c..f3b99287f3 100644
--- a/pmd-lang-test/pom.xml
+++ b/pmd-lang-test/pom.xml
@@ -12,7 +12,7 @@
     <parent>
         <groupId>net.sourceforge.pmd</groupId>
         <artifactId>pmd</artifactId>
-        <version>6.37.0</version>
+        <version>6.38.0-SNAPSHOT</version>
         <relativePath>../</relativePath>
     </parent>
 
diff --git a/pmd-lua/pom.xml b/pmd-lua/pom.xml
index fc8b32f45f..c690bc4986 100644
--- a/pmd-lua/pom.xml
+++ b/pmd-lua/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <groupId>net.sourceforge.pmd</groupId>
         <artifactId>pmd</artifactId>
-        <version>6.37.0</version>
+        <version>6.38.0-SNAPSHOT</version>
         <relativePath>../</relativePath>
     </parent>
 
diff --git a/pmd-matlab/pom.xml b/pmd-matlab/pom.xml
index 80324ed3d7..52a2ca2dd8 100644
--- a/pmd-matlab/pom.xml
+++ b/pmd-matlab/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <groupId>net.sourceforge.pmd</groupId>
         <artifactId>pmd</artifactId>
-        <version>6.37.0</version>
+        <version>6.38.0-SNAPSHOT</version>
         <relativePath>../</relativePath>
     </parent>
 
diff --git a/pmd-modelica/pom.xml b/pmd-modelica/pom.xml
index 6f251a9c4d..7bd4582829 100644
--- a/pmd-modelica/pom.xml
+++ b/pmd-modelica/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <groupId>net.sourceforge.pmd</groupId>
         <artifactId>pmd</artifactId>
-        <version>6.37.0</version>
+        <version>6.38.0-SNAPSHOT</version>
         <relativePath>../</relativePath>
     </parent>
 
diff --git a/pmd-objectivec/pom.xml b/pmd-objectivec/pom.xml
index 66671a40e3..165166a1fb 100644
--- a/pmd-objectivec/pom.xml
+++ b/pmd-objectivec/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <groupId>net.sourceforge.pmd</groupId>
         <artifactId>pmd</artifactId>
-        <version>6.37.0</version>
+        <version>6.38.0-SNAPSHOT</version>
         <relativePath>../</relativePath>
     </parent>
 
diff --git a/pmd-perl/pom.xml b/pmd-perl/pom.xml
index 23ffec4634..24082d4cca 100644
--- a/pmd-perl/pom.xml
+++ b/pmd-perl/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <groupId>net.sourceforge.pmd</groupId>
         <artifactId>pmd</artifactId>
-        <version>6.37.0</version>
+        <version>6.38.0-SNAPSHOT</version>
         <relativePath>../</relativePath>
     </parent>
 
diff --git a/pmd-php/pom.xml b/pmd-php/pom.xml
index a594a752a5..891dc1f892 100644
--- a/pmd-php/pom.xml
+++ b/pmd-php/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <groupId>net.sourceforge.pmd</groupId>
         <artifactId>pmd</artifactId>
-        <version>6.37.0</version>
+        <version>6.38.0-SNAPSHOT</version>
         <relativePath>../</relativePath>
     </parent>
 
diff --git a/pmd-plsql/pom.xml b/pmd-plsql/pom.xml
index 8ef4c229e6..c01f0d428f 100644
--- a/pmd-plsql/pom.xml
+++ b/pmd-plsql/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <groupId>net.sourceforge.pmd</groupId>
         <artifactId>pmd</artifactId>
-        <version>6.37.0</version>
+        <version>6.38.0-SNAPSHOT</version>
         <relativePath>../</relativePath>
     </parent>
 
diff --git a/pmd-python/pom.xml b/pmd-python/pom.xml
index 4b2ca33927..462e7151d2 100644
--- a/pmd-python/pom.xml
+++ b/pmd-python/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <groupId>net.sourceforge.pmd</groupId>
         <artifactId>pmd</artifactId>
-        <version>6.37.0</version>
+        <version>6.38.0-SNAPSHOT</version>
         <relativePath>../</relativePath>
     </parent>
 
diff --git a/pmd-ruby/pom.xml b/pmd-ruby/pom.xml
index 6179bc1fa5..131fc26250 100644
--- a/pmd-ruby/pom.xml
+++ b/pmd-ruby/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <groupId>net.sourceforge.pmd</groupId>
         <artifactId>pmd</artifactId>
-        <version>6.37.0</version>
+        <version>6.38.0-SNAPSHOT</version>
         <relativePath>../</relativePath>
     </parent>
 
diff --git a/pmd-scala-modules/pmd-scala-common/pom.xml b/pmd-scala-modules/pmd-scala-common/pom.xml
index bc01a39cbd..e927783cbf 100644
--- a/pmd-scala-modules/pmd-scala-common/pom.xml
+++ b/pmd-scala-modules/pmd-scala-common/pom.xml
@@ -8,7 +8,7 @@
     <parent>
         <groupId>net.sourceforge.pmd</groupId>
         <artifactId>pmd</artifactId>
-        <version>6.37.0</version>
+        <version>6.38.0-SNAPSHOT</version>
         <relativePath>../..</relativePath>
     </parent>
 
diff --git a/pmd-scala-modules/pmd-scala_2.12/pom.xml b/pmd-scala-modules/pmd-scala_2.12/pom.xml
index fcadd99270..6928da5017 100644
--- a/pmd-scala-modules/pmd-scala_2.12/pom.xml
+++ b/pmd-scala-modules/pmd-scala_2.12/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <groupId>net.sourceforge.pmd</groupId>
         <artifactId>pmd-scala-common</artifactId>
-        <version>6.37.0</version>
+        <version>6.38.0-SNAPSHOT</version>
         <relativePath>../pmd-scala-common</relativePath>
     </parent>
 
diff --git a/pmd-scala-modules/pmd-scala_2.13/pom.xml b/pmd-scala-modules/pmd-scala_2.13/pom.xml
index d49faabfe5..189491bca6 100644
--- a/pmd-scala-modules/pmd-scala_2.13/pom.xml
+++ b/pmd-scala-modules/pmd-scala_2.13/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <groupId>net.sourceforge.pmd</groupId>
         <artifactId>pmd-scala-common</artifactId>
-        <version>6.37.0</version>
+        <version>6.38.0-SNAPSHOT</version>
         <relativePath>../pmd-scala-common</relativePath>
     </parent>
 
diff --git a/pmd-scala/pom.xml b/pmd-scala/pom.xml
index 4d1cdf9f39..375743dd0a 100644
--- a/pmd-scala/pom.xml
+++ b/pmd-scala/pom.xml
@@ -9,7 +9,7 @@
     <parent>
         <groupId>net.sourceforge.pmd</groupId>
         <artifactId>pmd</artifactId>
-        <version>6.37.0</version>
+        <version>6.38.0-SNAPSHOT</version>
         <relativePath>../</relativePath>
     </parent>
 
diff --git a/pmd-swift/pom.xml b/pmd-swift/pom.xml
index 6d4a9b08de..cd03470d2b 100644
--- a/pmd-swift/pom.xml
+++ b/pmd-swift/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <groupId>net.sourceforge.pmd</groupId>
         <artifactId>pmd</artifactId>
-        <version>6.37.0</version>
+        <version>6.38.0-SNAPSHOT</version>
         <relativePath>../</relativePath>
     </parent>
 
diff --git a/pmd-test/pom.xml b/pmd-test/pom.xml
index c8127984fc..cf40c4c74b 100644
--- a/pmd-test/pom.xml
+++ b/pmd-test/pom.xml
@@ -8,7 +8,7 @@
     <parent>
         <groupId>net.sourceforge.pmd</groupId>
         <artifactId>pmd</artifactId>
-        <version>6.37.0</version>
+        <version>6.38.0-SNAPSHOT</version>
         <relativePath>../</relativePath>
     </parent>
 
diff --git a/pmd-visualforce/pom.xml b/pmd-visualforce/pom.xml
index 479a5ee03e..7d944dc67a 100644
--- a/pmd-visualforce/pom.xml
+++ b/pmd-visualforce/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <groupId>net.sourceforge.pmd</groupId>
         <artifactId>pmd</artifactId>
-        <version>6.37.0</version>
+        <version>6.38.0-SNAPSHOT</version>
         <relativePath>../</relativePath>
     </parent>
 
diff --git a/pmd-vm/pom.xml b/pmd-vm/pom.xml
index 8faafa6977..c55b5d7bc0 100644
--- a/pmd-vm/pom.xml
+++ b/pmd-vm/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <groupId>net.sourceforge.pmd</groupId>
         <artifactId>pmd</artifactId>
-        <version>6.37.0</version>
+        <version>6.38.0-SNAPSHOT</version>
         <relativePath>../</relativePath>
     </parent>
 
diff --git a/pmd-xml/pom.xml b/pmd-xml/pom.xml
index 338dc4c131..887b071d97 100644
--- a/pmd-xml/pom.xml
+++ b/pmd-xml/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <groupId>net.sourceforge.pmd</groupId>
         <artifactId>pmd</artifactId>
-        <version>6.37.0</version>
+        <version>6.38.0-SNAPSHOT</version>
         <relativePath>../</relativePath>
     </parent>
 
diff --git a/pom.xml b/pom.xml
index ad3abc086e..0241ed3ec0 100644
--- a/pom.xml
+++ b/pom.xml
@@ -3,7 +3,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>net.sourceforge.pmd</groupId>
     <artifactId>pmd</artifactId>
-    <version>6.37.0</version>
+    <version>6.38.0-SNAPSHOT</version>
     <packaging>pom</packaging>
     <name>PMD</name>
 
@@ -55,7 +55,7 @@
         <connection>scm:git:git://github.com/pmd/pmd.git</connection>
         <developerConnection>scm:git:ssh://git@github.com/pmd/pmd.git</developerConnection>
         <url>https://github.com/pmd/pmd</url>
-        <tag>pmd_releases/6.37.0</tag>
+        <tag>HEAD</tag>
     </scm>
     <distributionManagement>
         <snapshotRepository>
@@ -76,7 +76,7 @@
     </issueManagement>
 
     <properties>
-        <project.build.outputTimestamp>2021-07-31T16:51:09Z</project.build.outputTimestamp>
+        <project.build.outputTimestamp>2021-07-31T17:02:07Z</project.build.outputTimestamp>
 
         <java.version>7</java.version>