diff --git a/app/build.gradle b/app/build.gradle
index 226d2fcd..e0ea8f6f 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -136,12 +136,10 @@ android {
 }
 
 dependencies {
-    implementation 'org.bouncycastle:bcprov-jdk15on:1.70'
-    implementation 'org.bouncycastle:bcpkix-jdk15on:1.70'
-    implementation 'org.jcodec:jcodec:0.2.3'
-    implementation 'com.squareup.okhttp3:okhttp:3.12.13'
-    implementation 'com.squareup.okio:okio:1.17.5'
-    // 3.5.8 requires minSdk 19, uses StandardCharsets.UTF_8 internally
-    implementation 'org.jmdns:jmdns:3.5.7'
+    implementation 'org.bouncycastle:bcprov-jdk18on:1.77'
+    implementation 'org.bouncycastle:bcpkix-jdk18on:1.77'
+    implementation 'org.jcodec:jcodec:0.2.5'
+    implementation 'com.squareup.okhttp3:okhttp:4.12.0'
+    implementation 'org.jmdns:jmdns:3.5.9'
     implementation 'com.github.cgutman:ShieldControllerExtensions:1.0.1'
 }