diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index fa85c375..9985b392 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -30,6 +30,9 @@ jobs:
           java-version: 11
           cache: sbt
 
+      - name: Setup SBT
+        uses: sbt/setup-sbt@v1
+
       - name: Test PR from forked repo
         if: env.isPrFromForkedRepo == 'true'
         run: >
diff --git a/project/plugins.sbt b/project/plugins.sbt
index 1cabd27d..6f2e3b85 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -1,4 +1,4 @@
 addSbtPlugin("com.gu" % "sbt-riffraff-artifact" % "1.1.18")
-addSbtPlugin("com.eed3si9n" % "sbt-assembly" % "2.2.0")
+addSbtPlugin("com.eed3si9n" % "sbt-assembly" % "2.3.0")
 addSbtPlugin("org.scalameta" % "sbt-scalafmt" % "2.5.2")
 addSbtPlugin("com.eed3si9n" % "sbt-buildinfo" % "0.12.0")