diff --git a/build.sbt b/build.sbt
index 39e41bf..2500bd5 100755
--- a/build.sbt
+++ b/build.sbt
@@ -19,7 +19,7 @@ lazy val V = new {
   val http4s: String              = "0.23.12"
   val runtime: String             = "0.7.0"
   val scala: String               = "2.13.10"
-  val scala212: String            = "2.12.16"
+  val scala212: String            = "2.12.17"
   val scalacheck: String          = "1.17.0"
   val scalacheckShapeless: String = "1.3.0"
   val scalamacros: String         = "2.1.1"
diff --git a/sbt-exercise/src/sbt-test/sbt-exercise/basic/build.sbt b/sbt-exercise/src/sbt-test/sbt-exercise/basic/build.sbt
index 20d2312..e2f6d1d 100644
--- a/sbt-exercise/src/sbt-test/sbt-exercise/basic/build.sbt
+++ b/sbt-exercise/src/sbt-test/sbt-exercise/basic/build.sbt
@@ -5,7 +5,7 @@ val pluginVersion = System.getProperty("plugin.version")
 lazy val content = (project in file("content"))
   .enablePlugins(ExerciseCompilerPlugin)
   .settings(
-    scalaVersion := "2.12.16",
+    scalaVersion := "2.12.17",
     resolvers ++= Seq(
       Resolver.sonatypeRepo("snapshots"),
       Resolver.defaultLocal
@@ -20,7 +20,7 @@ lazy val content = (project in file("content"))
 lazy val contentInPackages = (project in file("contentinpackages"))
   .enablePlugins(ExerciseCompilerPlugin)
   .settings(
-    scalaVersion := "2.12.16",
+    scalaVersion := "2.12.17",
     resolvers ++= Seq(
       Resolver.sonatypeRepo("snapshots"),
       Resolver.defaultLocal
@@ -35,7 +35,7 @@ lazy val contentInPackages = (project in file("contentinpackages"))
 lazy val check = (project in file("check"))
   .dependsOn(content, contentInPackages)
   .settings(
-    scalaVersion := "2.12.16",
+    scalaVersion := "2.12.17",
     resolvers ++= Seq(
       Resolver.sonatypeRepo("snapshots"),
       Resolver.defaultLocal
diff --git a/sbt-exercise/src/sbt-test/sbt-exercise/scalariform/build.sbt b/sbt-exercise/src/sbt-test/sbt-exercise/scalariform/build.sbt
index 10f736b..39b45ce 100644
--- a/sbt-exercise/src/sbt-test/sbt-exercise/scalariform/build.sbt
+++ b/sbt-exercise/src/sbt-test/sbt-exercise/scalariform/build.sbt
@@ -2,7 +2,7 @@ val pluginVersion = System.getProperty("plugin.version")
 
 lazy val root = (project in file("."))
   .settings(
-    scalaVersion := "2.12.16",
+    scalaVersion := "2.12.17",
     resolvers ++= Seq(
       Resolver.sonatypeRepo("snapshots"),
       Resolver.defaultLocal