diff --git a/build.sbt b/build.sbt
index 1850db7..b6e861d 100644
--- a/build.sbt
+++ b/build.sbt
@@ -3,7 +3,7 @@ name := "apibuilder-graphql"
 
 organization := "io.apibuilder"
 
-ThisBuild / scalaVersion := "2.13.16"
+ThisBuild / scalaVersion := "2.13.18"
 
 lazy val allScalacOptions = Seq(
   "-deprecation",
@@ -35,8 +35,8 @@ lazy val root = project
   .settings(
     libraryDependencies ++= Seq(
       "com.github.apicollective" %% "apibuilder-validation" % "0.5.8",
-      "org.typelevel" %% "cats-core" % "2.10.0",
-      "org.scalatest" %% "scalatest" % "3.2.19" % Test,
+      "org.typelevel" %% "cats-core" % "2.13.0",
+      "org.scalatest" %% "scalatest" % "3.2.20" % Test,
     ),
     testOptions += Tests.Argument("-oF"),
     scalacOptions ++= allScalacOptions,
diff --git a/project/build.properties b/project/build.properties
index baf5ff3..dabdb15 100644
--- a/project/build.properties
+++ b/project/build.properties
@@ -1 +1 @@
-sbt.version=1.5.7
+sbt.version=1.12.11
diff --git a/project/plugins.sbt b/project/plugins.sbt
index ce35cf8..bb14911 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -6,4 +6,4 @@ credentials += Credentials(Path.userHome / ".ivy2" / ".artifactory")
 
 resolvers += "Artifactory" at "https://flow.jfrog.io/flow/libs-release-local/"
 
-addSbtPlugin("io.github.davidgregory084" % "sbt-tpolecat" % "0.1.17")
+addSbtPlugin("io.github.davidgregory084" % "sbt-tpolecat" % "0.4.4")