diff --git a/build.sbt b/build.sbt
index a2b079b12..1b5779c8b 100644
--- a/build.sbt
+++ b/build.sbt
@@ -29,7 +29,7 @@ commands += Command.command("testStaging") { state =>
 // Keep in sync with TestCli
 val scala212 = "2.12.15"
 val scala213 = "2.13.8"
-val scala3 = "3.1.1"
+val scala3 = "3.1.2"
 
 val root = project.in(file(".")).settings(
   name := "mima",
diff --git a/functional-tests/src/main/scala/com/typesafe/tools/mima/lib/TestCli.scala b/functional-tests/src/main/scala/com/typesafe/tools/mima/lib/TestCli.scala
index 83ba8121a..85bc3d6c1 100644
--- a/functional-tests/src/main/scala/com/typesafe/tools/mima/lib/TestCli.scala
+++ b/functional-tests/src/main/scala/com/typesafe/tools/mima/lib/TestCli.scala
@@ -12,7 +12,7 @@ object TestCli {
   val scala211 = "2.11.12"
   val scala212 = "2.12.15"
   val scala213 = "2.13.8"
-  val scala3   = "3.1.1"
+  val scala3   = "3.1.2"
   val hostScalaVersion = StdLibProps.scalaPropOrNone("maven.version.number").get
   val allScalaVersions = List(scala211, scala212, scala213, scala3)
   val testsDir = Directory("functional-tests/src/test")
diff --git a/functional-tests/src/test/trait-abstract-var-becomes-concrete-ok/problems-3.txt b/functional-tests/src/test/trait-abstract-var-becomes-concrete-ok/problems-3.txt
new file mode 100644
index 000000000..fc6b53f34
--- /dev/null
+++ b/functional-tests/src/test/trait-abstract-var-becomes-concrete-ok/problems-3.txt
@@ -0,0 +1 @@
+method foo()Int in class B has a different generic signature in new version, where it is <missing> rather than ()I. See https://github.com/lightbend/mima#incompatiblesignatureproblem
diff --git a/functional-tests/src/test/trait-abstract-var-becomes-concrete-ok/testAppRun-3.pending b/functional-tests/src/test/trait-abstract-var-becomes-concrete-ok/testAppRun-3.pending
new file mode 100644
index 000000000..1a7aef443
--- /dev/null
+++ b/functional-tests/src/test/trait-abstract-var-becomes-concrete-ok/testAppRun-3.pending
@@ -0,0 +1 @@
+# Signature problems aren't runtime errors