diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 399804df1..c8bced71c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -28,7 +28,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest]
-        scala: [2.12.16, 2.13.10, 3.2.0]
+        scala: [2.12.17, 2.13.10, 3.2.0]
         java: [temurin@11]
         project: [rootJS, rootJVM]
     runs-on: ${{ matrix.os }}
@@ -162,22 +162,22 @@ jobs:
             ~/Library/Caches/Coursier/v1
           key: ${{ runner.os }}-sbt-cache-v2-${{ hashFiles('**/*.sbt') }}-${{ hashFiles('project/build.properties') }}
 
-      - name: Download target directories (2.12.16, rootJS)
+      - name: Download target directories (2.12.17, rootJS)
         uses: actions/download-artifact@v2
         with:
-          name: target-${{ matrix.os }}-${{ matrix.java }}-2.12.16-rootJS
+          name: target-${{ matrix.os }}-${{ matrix.java }}-2.12.17-rootJS
 
-      - name: Inflate target directories (2.12.16, rootJS)
+      - name: Inflate target directories (2.12.17, rootJS)
         run: |
           tar xf targets.tar
           rm targets.tar
 
-      - name: Download target directories (2.12.16, rootJVM)
+      - name: Download target directories (2.12.17, rootJVM)
         uses: actions/download-artifact@v2
         with:
-          name: target-${{ matrix.os }}-${{ matrix.java }}-2.12.16-rootJVM
+          name: target-${{ matrix.os }}-${{ matrix.java }}-2.12.17-rootJVM
 
-      - name: Inflate target directories (2.12.16, rootJVM)
+      - name: Inflate target directories (2.12.17, rootJVM)
         run: |
           tar xf targets.tar
           rm targets.tar
diff --git a/build.sbt b/build.sbt
index 6935a8d26..cfadb9080 100644
--- a/build.sbt
+++ b/build.sbt
@@ -1,7 +1,7 @@
 ThisBuild / tlBaseVersion := "0.4"
 
 // Our Scala versions.
-lazy val `scala-2.12` = "2.12.16"
+lazy val `scala-2.12` = "2.12.17"
 lazy val `scala-2.13` = "2.13.10"
 lazy val `scala-3.0`  = "3.2.0"