diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 3dbe19a..fac944e 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -15,6 +15,6 @@ jobs:
       - name: Setup coursier cache
         uses: coursier/cache-action@v6.3
       - name: Setup scala-cli
-        uses: VirtusLab/scala-cli-setup@v1.4.0
+        uses: VirtusLab/scala-cli-setup@v1.5.1
       - name: Run tests
         run: scala-cli test . --jvm temurin:11
diff --git a/project.scala b/project.scala
index 1c4b8d2..0cf1427 100644
--- a/project.scala
+++ b/project.scala
@@ -1,4 +1,4 @@
-//> using scala "3.3.3"
+//> using scala "3.3.4"
 //> using dep "org.apache.spark:spark-core_2.13:3.2.0"
 //> using dep "org.apache.spark:spark-sql_2.13:3.2.0"
-//> using test.dep "org.scalatest::scalatest::3.2.16"
+//> using test.dep "org.scalatest::scalatest::3.2.19"
diff --git a/src/main/types/Encoder.scala b/src/main/types/Encoder.scala
index b8cff2c..48f188d 100644
--- a/src/main/types/Encoder.scala
+++ b/src/main/types/Encoder.scala
@@ -172,7 +172,7 @@ object StructEncoder:
             }
   end fromMirrorImpl
 
-  inline given optFromMirror[A](using encoder: StructEncoder[A]): (Encoder[Option[A]] { type ColumnType = StructOptType[encoder.StructSchema] }) =
+  given optFromMirror[A](using encoder: StructEncoder[A]): (Encoder[Option[A]] { type ColumnType = StructOptType[encoder.StructSchema] }) =
     new Encoder[Option[A]]:
       override type ColumnType = StructOptType[encoder.StructSchema]
       override def encode(value: Option[A]): Any = value.map(encoder.encode).orNull