diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b44e199..dc9797a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -59,6 +59,7 @@ jobs:
           ORG_GRADLE_PROJECT_mavenCentralPassword: ${{ secrets.SONATYPE_PASSWORD }}
 
       - name: Upload coverage to Qlty
+        if: matrix.java == '25'
         uses: qltysh/qlty-action/coverage@a19242102d17e497f437d7466aa01b528537e899 # v2.2.0
         with:
           token: ${{ secrets.QLTY_COVERAGE_TOKEN }}
diff --git a/sshlib/build.gradle.kts b/sshlib/build.gradle.kts
index 8de0daa..7587bdd 100644
--- a/sshlib/build.gradle.kts
+++ b/sshlib/build.gradle.kts
@@ -57,8 +57,15 @@ dependencies {
     testRuntimeOnly(libs.junit.jupiter.engine)
 }
 
+val testJdkVersion = providers.gradleProperty("jdkVersion").map(String::toInt).orElse(17)
+
 tasks.test {
     useJUnitPlatform()
+    javaLauncher.set(
+        javaToolchains.launcherFor {
+            languageVersion.set(JavaLanguageVersion.of(testJdkVersion.get()))
+        },
+    )
 }
 
 java {