diff --git a/build.gradle b/build.gradle
index 4e02142e..6d3d0c03 100644
--- a/build.gradle
+++ b/build.gradle
@@ -39,7 +39,7 @@ def bouncycastleVersion = "1.70"
 def sshdVersion = "2.8.0"
 
 dependencies {
-  implementation "org.slf4j:slf4j-api:1.7.32"
+  implementation "org.slf4j:slf4j-api:1.7.36"
   implementation "org.bouncycastle:bcprov-jdk15on:$bouncycastleVersion"
   implementation "org.bouncycastle:bcpkix-jdk15on:$bouncycastleVersion"
   implementation "com.jcraft:jzlib:1.1.3"
@@ -53,7 +53,7 @@ dependencies {
   testImplementation "org.apache.sshd:sshd-core:$sshdVersion"
   testImplementation "org.apache.sshd:sshd-sftp:$sshdVersion"
   testImplementation "org.apache.sshd:sshd-scp:$sshdVersion"
-  testImplementation "ch.qos.logback:logback-classic:1.2.9"
+  testImplementation "ch.qos.logback:logback-classic:1.2.11"
   testImplementation 'org.glassfish.grizzly:grizzly-http-server:2.4.4'
   testImplementation 'org.apache.httpcomponents:httpclient:4.5.13'
   testImplementation 'org.testcontainers:testcontainers:1.16.2'