diff --git a/Gemfile b/Gemfile
index 57359b1785..5f1df88228 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,7 +1,7 @@
 source 'https://rubygems.org/'
 
 # bleeding edge from git
-#gem 'pmdtester', :git => 'https://github.com/pmd/pmd-regression-tester.git'
+#gem 'pmdtester', :git => 'https://github.com/pmd/pmd-regression-tester.git', branch: 'master'
 
 gem 'pmdtester', '~> 1'
 gem 'danger', '~> 5.6', '>= 5.6'
diff --git a/Gemfile.lock b/Gemfile.lock
index fa8938b390..b1ef397852 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -9,7 +9,7 @@ GEM
       nap
       open4 (~> 1.3)
     colored2 (3.1.2)
-    concurrent-ruby (1.1.8)
+    concurrent-ruby (1.1.9)
     cork (0.3.0)
       colored2 (~> 3.1)
     danger (5.16.1)
@@ -31,7 +31,7 @@ GEM
       multipart-post (>= 1.2, < 3)
     faraday-http-cache (1.3.1)
       faraday (~> 0.8)
-    fugit (1.4.5)
+    fugit (1.5.0)
       et-orbi (~> 1.1, >= 1.1.8)
       raabro (~> 1.4)
     git (1.8.1)
@@ -39,18 +39,18 @@ GEM
     kramdown (1.17.0)
     liquid (5.0.1)
     logger-colors (1.0.0)
-    mini_portile2 (2.5.1)
+    mini_portile2 (2.5.3)
     multipart-post (2.1.1)
     nap (1.1.0)
     no_proxy_fix (0.1.2)
-    nokogiri (1.11.5)
+    nokogiri (1.11.7)
       mini_portile2 (~> 2.5.0)
       racc (~> 1.4)
     octokit (4.21.0)
       faraday (>= 0.9)
       sawyer (~> 0.8.0, >= 0.5.3)
     open4 (1.3.4)
-    pmdtester (1.1.2)
+    pmdtester (1.2.0)
       differ (~> 0.1)
       liquid (>= 4.0)
       logger-colors (~> 1.0)
@@ -68,7 +68,7 @@ GEM
     sawyer (0.8.2)
       addressable (>= 2.3.5)
       faraday (> 0.8, < 2.0)
-    slop (4.9.0)
+    slop (4.9.1)
     terminal-table (1.8.0)
       unicode-display_width (~> 1.1, >= 1.1.1)
     tzinfo (2.0.4)