diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 547ee5d1..eb972ec6 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -22,7 +22,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest]
-        scala: [2.12.15]
+        scala: [2.12.18]
         java: [temurin@11]
     runs-on: ${{ matrix.os }}
     steps:
@@ -72,7 +72,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest]
-        scala: [2.12.15]
+        scala: [2.12.18]
         java: [temurin@11]
     runs-on: ${{ matrix.os }}
     steps:
@@ -100,12 +100,12 @@ jobs:
             ~/Library/Caches/Coursier/v1
           key: ${{ runner.os }}-sbt-cache-v2-${{ hashFiles('**/*.sbt') }}-${{ hashFiles('project/build.properties') }}
 
-      - name: Download target directories (2.12.15)
+      - name: Download target directories (2.12.18)
         uses: actions/download-artifact@v2
         with:
-          name: target-${{ matrix.os }}-2.12.15-${{ matrix.java }}
+          name: target-${{ matrix.os }}-2.12.18-${{ matrix.java }}
 
-      - name: Inflate target directories (2.12.15)
+      - name: Inflate target directories (2.12.18)
         run: |
           tar xf targets.tar
           rm targets.tar
diff --git a/project/build.properties b/project/build.properties
index 09026b78..b3577373 100644
--- a/project/build.properties
+++ b/project/build.properties
@@ -1 +1 @@
-sbt.version=1.6.2
+sbt.version=1.9.4