diff --git a/cgconfig.conf b/cgconfig.conf
index 539daf1..37315ad 100644
--- a/cgconfig.conf
+++ b/cgconfig.conf
@@ -24,7 +24,7 @@ group chromium {
 
 group java {
     cpu {
-        cpu.shares = "2000";
+        cpu.shares = "1000";
     }
 
     memory {
@@ -32,3 +32,15 @@ group java {
         memory.soft_limit_in_bytes = "384M";
     }
 }
+
+group firefox {
+    cpu {
+        cpu.shares = "2000";
+    }
+
+    memory {
+        memory.soft_limit_in_bytes = "3G";
+        memory.limit_in_bytes = "4G";
+    }
+}
+        
diff --git a/cgrules.conf b/cgrules.conf
index 2215e31..b131bd3 100644
--- a/cgrules.conf
+++ b/cgrules.conf
@@ -11,6 +11,8 @@
 pgrondek:/usr/bin/google-chrome     cpu,memory  chromium
 pgrondek:/home/pgrondek/bin/rambox  cpu,memory  chromium
 
+pgrondek:/usr/bin/firefox   cpu,memory  firefox
+
 pgrondek:/home/pgrondek/.sdkman/candidates/java/current/bin/java            cpu,memory  java
 pgrondek:/home/pgrondek/.sdkman/candidates/java/11.0.5.hs-adpt/bin/java     cpu,memory  java
 pgrondek:/home/pgrondek/.sdkman/candidates/java/11.0.6.hs-adpt/bin/java     cpu,memory  java