diff --git a/chapi-ast-c/build.gradle.kts b/chapi-ast-c/build.gradle.kts
index c18dea42..e7f69f81 100644
--- a/chapi-ast-c/build.gradle.kts
+++ b/chapi-ast-c/build.gradle.kts
@@ -36,7 +36,7 @@ dependencies {
     implementation("org.antlr:antlr4-runtime:4.13.1")
 
     // coroutines
-    testImplementation("org.jetbrains.kotlinx:kotlinx-coroutines-core:1.8.0-RC2")
+    testImplementation("org.jetbrains.kotlinx:kotlinx-coroutines-core:1.7.3")
     implementation("org.anarres:jcpp:1.4.14")
 }