diff --git a/shared/common/build.gradle.kts b/shared/common/build.gradle.kts
index 4123c8cc..933b0747 100644
--- a/shared/common/build.gradle.kts
+++ b/shared/common/build.gradle.kts
@@ -61,4 +61,8 @@ dependencies {
 
 tasks.test {
     useJUnitPlatform()
+}
+
+kotlin {
+    jvmToolchain(17)
 }
\ No newline at end of file
diff --git a/shared/contract/build.gradle.kts b/shared/contract/build.gradle.kts
index 4e5cf2f9..fcab52f5 100644
--- a/shared/contract/build.gradle.kts
+++ b/shared/contract/build.gradle.kts
@@ -25,4 +25,8 @@ dependencies {
 
 tasks.test {
     useJUnitPlatform()
+}
+
+kotlin {
+    jvmToolchain(17)
 }
\ No newline at end of file
diff --git a/shared/eventi/build.gradle.kts b/shared/eventi/build.gradle.kts
index 786c3b3a..427a71ba 100644
--- a/shared/eventi/build.gradle.kts
+++ b/shared/eventi/build.gradle.kts
@@ -56,4 +56,8 @@ dependencies {
 
 tasks.test {
     useJUnitPlatform()
+}
+
+kotlin {
+    jvmToolchain(17)
 }
\ No newline at end of file