diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f2c961d..febadee 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -15,6 +15,6 @@ jobs:
     - name: Check out code
       uses: actions/checkout@v2
     - name: Build with Gradle
-      uses: gradle/gradle-build-action@v2.1.0
+      uses: gradle/gradle-build-action@v2.1.1
       with:
         arguments: build test shadowJar
diff --git a/build.gradle.kts b/build.gradle.kts
index 582aef1..6129211 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -42,7 +42,7 @@ dependencies {
   implementation("io.ktor:ktor-metrics:$ktorVersion")
   implementation("io.ktor:ktor-server-netty:$ktorVersion")
   implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core:1.6.0")
-  implementation("org.slf4j:slf4j-simple:1.7.32")
+  implementation("org.slf4j:slf4j-simple:1.7.35")
   implementation(kotlin("reflect", kotlinVersion))
   implementation(kotlin("stdlib-jdk8", kotlinVersion))
   testImplementation("com.natpryce:hamkrest:1.8.0.1")