diff --git a/sbt-app/src/sbt-test/actions/cross-advanced/test b/sbt-app/src/sbt-test/actions/cross-advanced/test
index a27c92b86..898991be0 100644
--- a/sbt-app/src/sbt-test/actions/cross-advanced/test
+++ b/sbt-app/src/sbt-test/actions/cross-advanced/test
@@ -18,11 +18,11 @@
 ## test + with command or alias
 > clean
 ## for command cross building you do need crossScalaVerions on root
-> set root/crossScalaVersions := Seq("2.12.19", "2.13.12")
+> set root/crossScalaVersions := Seq("2.12.20", "2.13.12")
 > + build
-$ exists target/out/jvm/scala-2.12.19/foo
+$ exists target/out/jvm/scala-2.12.20/foo
 $ exists target/out/jvm/scala-2.13.12/foo
-$ exists target/out/jvm/scala-2.12.19/bar
+$ exists target/out/jvm/scala-2.12.20/bar
 $ exists target/out/jvm/scala-2.13.12/bar
-$ exists target/out/jvm/scala-2.12.19/client
+$ exists target/out/jvm/scala-2.12.20/client
 $ exists target/out/jvm/scala-2.13.12/client
diff --git a/sbt-app/src/sbt-test/actions/cross-multi-parser/test b/sbt-app/src/sbt-test/actions/cross-multi-parser/test
index b2666730a..005518291 100644
--- a/sbt-app/src/sbt-test/actions/cross-multi-parser/test
+++ b/sbt-app/src/sbt-test/actions/cross-multi-parser/test
@@ -1,5 +1,5 @@
 > ++2.11.12; compile
 
-> ++ 2.12.19  ; compile;
+> ++ 2.12.20  ; compile;
 
-> ++ 2.12.19 ; compile
+> ++ 2.12.20 ; compile
diff --git a/sbt-app/src/sbt-test/actions/doc/test b/sbt-app/src/sbt-test/actions/doc/test
index 14fd9b04d..bed324217 100644
--- a/sbt-app/src/sbt-test/actions/doc/test
+++ b/sbt-app/src/sbt-test/actions/doc/test
@@ -5,10 +5,10 @@
 # hybrid project, only scaladoc run
 > doc
 > packageBin
-$ exists target/out/jvm/scala-2.12.19/root/api/index.js
-$ exists target/out/jvm/scala-2.12.19/root/api/A$.html
-$ absent target/out/jvm/scala-2.12.19/root/api/scala
-$ absent target/out/jvm/scala-2.12.19/root/api/java
+$ exists target/out/jvm/scala-2.12.20/root/api/index.js
+$ exists target/out/jvm/scala-2.12.20/root/api/A$.html
+$ absent target/out/jvm/scala-2.12.20/root/api/scala
+$ absent target/out/jvm/scala-2.12.20/root/api/java
 
 > setDocExtension scala
 
@@ -19,12 +19,12 @@ $ copy-file changes/B.scala B.scala
 > clean ; compile ; doc
 
 # pure scala project, only scaladoc at top level
-$ exists target/out/jvm/scala-2.12.19/root/api/index.js
-$ exists target/out/jvm/scala-2.12.19/root/api/A$.html
-$ exists target/out/jvm/scala-2.12.19/root/api/B$.html
-$ absent target/out/jvm/scala-2.12.19/root/api/package-list
-$ absent target/out/jvm/scala-2.12.19/root/api/scala
-$ absent target/out/jvm/scala-2.12.19/root/api/java
+$ exists target/out/jvm/scala-2.12.20/root/api/index.js
+$ exists target/out/jvm/scala-2.12.20/root/api/A$.html
+$ exists target/out/jvm/scala-2.12.20/root/api/B$.html
+$ absent target/out/jvm/scala-2.12.20/root/api/package-list
+$ absent target/out/jvm/scala-2.12.20/root/api/scala
+$ absent target/out/jvm/scala-2.12.20/root/api/java
 
 > setDocExtension java
 
@@ -34,14 +34,14 @@ $ absent target/out/jvm/scala-2.12.19/root/api/java
 > doc
 
 # pure java project, only javadoc at top level
-$ exists target/out/jvm/scala-2.12.19/root/api/index.html
-$ exists target/out/jvm/scala-2.12.19/root/api/pkg/J.html
-$ absent target/out/jvm/scala-2.12.19/root/api/index.js
+$ exists target/out/jvm/scala-2.12.20/root/api/index.html
+$ exists target/out/jvm/scala-2.12.20/root/api/pkg/J.html
+$ absent target/out/jvm/scala-2.12.20/root/api/index.js
 
 > setDocExtension scala
 > ++2.13.x
 > clean
-$ absent target/out/jvm/scala-2.12.19/root/api/A$.html
+$ absent target/out/jvm/scala-2.12.20/root/api/A$.html
 > doc
 $ exists target/out/jvm/scala-2.13.12/root/api/A$.html
 $ exists target/out/jvm/scala-2.13.12/root/api/B$.html
diff --git a/sbt-app/src/sbt-test/actions/generator/test b/sbt-app/src/sbt-test/actions/generator/test
index 672c7cc9f..613d5b7fc 100644
--- a/sbt-app/src/sbt-test/actions/generator/test
+++ b/sbt-app/src/sbt-test/actions/generator/test
@@ -1,2 +1,2 @@
 > compile
-$ exists target/out/jvm/scala-2.12.19/root/src_managed/BuildInfo.scala
+$ exists target/out/jvm/scala-2.12.20/root/src_managed/BuildInfo.scala
diff --git a/sbt-app/src/sbt-test/actions/multi-command/test b/sbt-app/src/sbt-test/actions/multi-command/test
index 455953b6a..323702a6d 100644
--- a/sbt-app/src/sbt-test/actions/multi-command/test
+++ b/sbt-app/src/sbt-test/actions/multi-command/test
@@ -37,4 +37,4 @@
 
 > ++ 2.11.12 compile; setStringValue bar; checkStringValue bar
 
-> ++2.12.19 compile; setStringValue foo; checkStringValue foo
+> ++2.12.20 compile; setStringValue foo; checkStringValue foo
diff --git a/sbt-app/src/sbt-test/actions/package-delete-target/test b/sbt-app/src/sbt-test/actions/package-delete-target/test
index cfca1bb64..ff30f1147 100644
--- a/sbt-app/src/sbt-test/actions/package-delete-target/test
+++ b/sbt-app/src/sbt-test/actions/package-delete-target/test
@@ -1,4 +1,4 @@
-$ mkdir target/out/jvm/scala-2.12.19/delete-target/delete-target_2.12-0.1.0-SNAPSHOT.jar
-$ touch target/out/jvm/scala-2.12.19/delete-target/delete-target_2.12-0.1.0-SNAPSHOT.jar/hello
+$ mkdir target/out/jvm/scala-2.12.20/delete-target/delete-target_2.12-0.1.0-SNAPSHOT.jar
+$ touch target/out/jvm/scala-2.12.20/delete-target/delete-target_2.12-0.1.0-SNAPSHOT.jar/hello
 -> package
-$ exists target/out/jvm/scala-2.12.19/delete-target/delete-target_2.12-0.1.0-SNAPSHOT.jar/hello
+$ exists target/out/jvm/scala-2.12.20/delete-target/delete-target_2.12-0.1.0-SNAPSHOT.jar/hello
diff --git a/sbt-app/src/sbt-test/actions/query/test b/sbt-app/src/sbt-test/actions/query/test
index 51593d75e..72ca5f123 100644
--- a/sbt-app/src/sbt-test/actions/query/test
+++ b/sbt-app/src/sbt-test/actions/query/test
@@ -3,7 +3,7 @@
 $ exists target/out/jvm/scala-3.3.3/root/root.txt
 $ exists target/out/jvm/scala-3.3.3/foo/foo.txt
 $ exists target/out/jvm/scala-3.3.3/bar/bar.txt
-$ exists target/out/jvm/scala-2.12.19/baz/baz.txt
+$ exists target/out/jvm/scala-2.12.20/baz/baz.txt
 
 > clean
 
@@ -12,7 +12,7 @@ $ exists target/out/jvm/scala-2.12.19/baz/baz.txt
 $ absent target/out/jvm/scala-3.3.3/root/root.txt
 $ absent target/out/jvm/scala-3.3.3/foo/foo.txt
 $ exists target/out/jvm/scala-3.3.3/bar/bar.txt
-$ exists target/out/jvm/scala-2.12.19/baz/baz.txt
+$ exists target/out/jvm/scala-2.12.20/baz/baz.txt
 
 > clean
 
@@ -21,4 +21,4 @@ $ exists target/out/jvm/scala-2.12.19/baz/baz.txt
 $ exists target/out/jvm/scala-3.3.3/root/root.txt
 $ exists target/out/jvm/scala-3.3.3/foo/foo.txt
 $ exists target/out/jvm/scala-3.3.3/bar/bar.txt
-$ absent target/out/jvm/scala-2.12.19/baz/baz.txt
+$ absent target/out/jvm/scala-2.12.20/baz/baz.txt
diff --git a/sbt-app/src/sbt-test/compiler-project/separate-analysis-per-scala/test b/sbt-app/src/sbt-test/compiler-project/separate-analysis-per-scala/test
index 1643abf15..e507b31bf 100644
--- a/sbt-app/src/sbt-test/compiler-project/separate-analysis-per-scala/test
+++ b/sbt-app/src/sbt-test/compiler-project/separate-analysis-per-scala/test
@@ -1,3 +1,3 @@
 > + compile
-$ exists target/out/jvm/scala-2.12.19/foo
+$ exists target/out/jvm/scala-2.12.20/foo
 $ exists target/out/jvm/scala-2.13.12/foo
diff --git a/sbt-app/src/sbt-test/project-matrix/lib/test b/sbt-app/src/sbt-test/project-matrix/lib/test
index 5fd81a7d0..52c5fb5e1 100644
--- a/sbt-app/src/sbt-test/project-matrix/lib/test
+++ b/sbt-app/src/sbt-test/project-matrix/lib/test
@@ -6,10 +6,10 @@
 
 # check root
 $ mkdir lib
-$ copy-file target/out/jvm/scala-2.12.19/strayjar/strayjar_2.12-0.1.0-SNAPSHOT.jar lib/strayJar.jar
+$ copy-file target/out/jvm/scala-2.12.20/strayjar/strayjar_2.12-0.1.0-SNAPSHOT.jar lib/strayJar.jar
 > root2_12/compile
 
 # check ss
 $ mkdir ss/lib
-$ copy-file target/out/jvm/scala-2.12.19/strayjar/strayjar_2.12-0.1.0-SNAPSHOT.jar ss/lib/strayJar.jar
+$ copy-file target/out/jvm/scala-2.12.20/strayjar/strayjar_2.12-0.1.0-SNAPSHOT.jar ss/lib/strayJar.jar
 > ss2_13/compile
diff --git a/sbt-app/src/sbt-test/source-dependencies/constants/test b/sbt-app/src/sbt-test/source-dependencies/constants/test
index 9d448cea2..28f6743d5 100644
--- a/sbt-app/src/sbt-test/source-dependencies/constants/test
+++ b/sbt-app/src/sbt-test/source-dependencies/constants/test
@@ -1,4 +1,4 @@
-> ++2.12.19!
+> ++2.12.20!
 
 $ copy-file changes/B.scala B.scala
 
diff --git a/sbt-app/src/sbt-test/source-dependencies/cross-source/test b/sbt-app/src/sbt-test/source-dependencies/cross-source/test
index 53348a66c..21b560de7 100644
--- a/sbt-app/src/sbt-test/source-dependencies/cross-source/test
+++ b/sbt-app/src/sbt-test/source-dependencies/cross-source/test
@@ -1,3 +1,3 @@
 # A.scala needs B.scala, it would be in source list
-> ++2.12.19!
+> ++2.12.20!
 > compile