diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 9ada425..f082940 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,7 +10,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        spark: ["3.1.3","3.2.4", "3.3.4", "3.4.3", "3.5.1"]
+        spark: ["3.1.3","3.2.4", "3.3.4", "3.4.3", "3.5.3"]
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
@@ -21,6 +21,6 @@ jobs:
         with:
           jvm: zulu:8
       - name: Test
-        run: sbt -Dspark.testVersion=${{ matrix.spark  }} +test
+        run: sbt -Dspark.version=${{ matrix.spark  }} +test
       - name: Benchmark
-        run: sbt -Dspark.testVersion=${{ matrix.spark  }} +benchmarks/Jmh/run
+        run: sbt -Dspark.version=${{ matrix.spark  }} +benchmarks/Jmh/run
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
new file mode 100644
index 0000000..9596338
--- /dev/null
+++ b/.github/workflows/release.yml
@@ -0,0 +1,18 @@
+name: Release
+on:
+  push:
+    tags: ["*"]
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: coursier/setup-action@v1
+        with:
+          jvm: zulu:8
+      - run: sbt ci-release -Dspark.version=3.5.3
+        env:
+          PGP_PASSPHRASE: ${{secrets.PGP_PASSPHRASE}}
+          PGP_SECRET: ${{secrets.PGP_SECRET}}
+          SONATYPE_PASSWORD: ${{secrets.SONATYPE_PASSWORD}}
+          SONATYPE_USERNAME: ${{secrets.SONATYPE_USERNAME}}
diff --git a/README.md b/README.md
index 543ba23..da14f91 100644
--- a/README.md
+++ b/README.md
@@ -325,7 +325,7 @@ There is a two step process for publishing.
 
 Generate Scala 2.11 JAR files:
 
-* Run `sbt -Dspark.testVersion=2.4.8`
+* Run `sbt -Dspark.version=2.4.8`
 * Run `> ; + publishSigned; sonatypeBundleRelease` to create the JAR files and release them to Maven.
 
 Generate Scala 2.12 & Scala 2.13 JAR files:
diff --git a/build.sbt b/build.sbt
index 34f6ac3..5f3e5cc 100644
--- a/build.sbt
+++ b/build.sbt
@@ -11,7 +11,7 @@ val versionRegex = """^(.*)\.(.*)\.(.*)$""".r
 val scala2_13 = "2.13.14"
 val scala2_12 = "2.12.20"
 
-val sparkVersion = System.getProperty("spark.testVersion", "3.5.1")
+val sparkVersion = System.getProperty("spark.version", "3.5.3")
 crossScalaVersions := {
   sparkVersion match {
     case versionRegex("3", m, _) if m.toInt >= 2 => Seq(scala2_12, scala2_13)
@@ -39,6 +39,8 @@ lazy val core = (project in file("core"))
   .settings(
     commonSettings,
     name            := "core",
+    Compile / packageSrc / publishArtifact := true,
+    Compile / packageDoc / publishArtifact := true
   )
 
 lazy val benchmarks = (project in file("benchmarks"))