diff --git a/build.sbt b/build.sbt
index 02d0571c4..4cb64c63a 100644
--- a/build.sbt
+++ b/build.sbt
@@ -71,6 +71,7 @@ lazy val `lm-coursier-shaded` = project
 
 lazy val `sbt-coursier-shared` = project
   .in(file("modules/sbt-coursier-shared"))
+  .disablePlugins(MimaPlugin)
   .dependsOn(`lm-coursier`)
   .settings(
     plugin,
@@ -81,6 +82,7 @@ lazy val `sbt-coursier-shared` = project
 
 lazy val `sbt-coursier-shared-shaded` = project
   .in(file("modules/sbt-coursier-shared/target/shaded-module"))
+  .disablePlugins(MimaPlugin)
   .dependsOn(`lm-coursier-shaded`)
   .settings(
     plugin,
@@ -91,6 +93,7 @@ lazy val `sbt-coursier-shared-shaded` = project
 lazy val `sbt-lm-coursier` = project
   .in(file("modules/sbt-lm-coursier"))
   .enablePlugins(ScriptedPlugin)
+  .disablePlugins(MimaPlugin)
   .dependsOn(`sbt-coursier-shared-shaded`)
   .settings(
     plugin,
@@ -108,6 +111,7 @@ lazy val `sbt-lm-coursier` = project
 lazy val `sbt-coursier` = project
   .in(file("modules/sbt-coursier"))
   .enablePlugins(ScriptedPlugin)
+  .disablePlugins(MimaPlugin)
   .dependsOn(`sbt-coursier-shared`)
   .settings(
     plugin,
@@ -124,6 +128,7 @@ lazy val `sbt-coursier` = project
 lazy val `sbt-pgp-coursier` = project
   .in(file("modules/sbt-pgp-coursier"))
   .enablePlugins(ScriptedPlugin)
+  .disablePlugins(MimaPlugin)
   .dependsOn(`sbt-coursier`)
   .settings(
     plugin,
@@ -143,6 +148,7 @@ lazy val `sbt-pgp-coursier` = project
 lazy val `sbt-shading` = project
   .in(file("modules/sbt-shading"))
   .enablePlugins(ScriptedPlugin)
+  .disablePlugins(MimaPlugin)
   .dependsOn(`sbt-coursier`)
   .settings(
     plugin,
@@ -158,6 +164,7 @@ lazy val `sbt-shading` = project
 
 lazy val `sbt-coursier-root` = project
   .in(file("."))
+  .disablePlugins(MimaPlugin)
   .aggregate(
     `lm-coursier`,
     `lm-coursier-shaded`,
diff --git a/project/Mima.scala b/project/Mima.scala
index 258bc7831..b4f992e6f 100644
--- a/project/Mima.scala
+++ b/project/Mima.scala
@@ -14,14 +14,13 @@ object Mima {
       .forall(c => c == '.' || c == '-' || c.isDigit)
 
   def binaryCompatibilityVersions: Set[String] =
-    Seq("git", "tag", "--merged", "HEAD^", "--contains", "736d5c11")
+    Seq("git", "tag", "--merged", "HEAD^", "--contains", "v2.0.0-RC3-6")
       .!!
       .linesIterator
       .map(_.trim)
       .filter(_.startsWith("v"))
       .map(_.stripPrefix("v"))
       .filter(stable)
-      .filter(_ != "2.0.0-RC3-2") // borked release
       .toSet
 
   def settings: Seq[Setting[_]] = Seq(
@@ -37,6 +36,8 @@ object Mima {
       import com.typesafe.tools.mima.core._
 
       Seq(
+        // spurious errors on CI
+        ProblemFilters.exclude[IncompatibleSignatureProblem]("*"),
         // Methods that shouldn't have been there
         ProblemFilters.exclude[DirectMissingMethodProblem]("lmcoursier.credentials.FileCredentials.get"),
         ProblemFilters.exclude[DirectMissingMethodProblem]("lmcoursier.credentials.DirectCredentials.matches"),
@@ -56,6 +57,8 @@ object Mima {
       import com.typesafe.tools.mima.core._
 
       Seq(
+        // spurious errors on CI
+        ProblemFilters.exclude[IncompatibleSignatureProblem]("*"),
         // Should have been put under lmcoursier.internal?
         (pb: Problem) => pb.matchName.forall(!_.startsWith("lmcoursier.definitions.ToCoursier."))
       )
diff --git a/project/plugins.sbt b/project/plugins.sbt
index 3df6cf45e..a7c8e4c35 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -1,5 +1,5 @@
 addSbtPlugin("com.geirsson" % "sbt-ci-release" % "1.5.0")
-addSbtPlugin("com.typesafe" % "sbt-mima-plugin" % "0.3.0")
+addSbtPlugin("com.typesafe" % "sbt-mima-plugin" % "0.6.3")
 
 addSbtPlugin("io.get-coursier" % "sbt-coursier" % "2.0.0-RC5-3")
 addSbtPlugin("io.get-coursier" % "sbt-shading" % "2.0.0-RC5-3")