diff --git a/pkgs/servers/guacamole-client/default.nix b/pkgs/servers/guacamole-client/default.nix
index 23c56df62a46..e3a142983ad7 100644
--- a/pkgs/servers/guacamole-client/default.nix
+++ b/pkgs/servers/guacamole-client/default.nix
@@ -5,11 +5,11 @@
 
 stdenvNoCC.mkDerivation (finalAttrs: {
   pname = "guacamole-client";
-  version = "1.5.4";
+  version = "1.5.5";
 
   src = fetchurl {
     url = "https://archive.apache.org/dist/guacamole/${finalAttrs.version}/binary/guacamole-${finalAttrs.version}.war";
-    hash = "sha256-Vyi1Y5Eb1kvOCguBx06ozLIZDReFv/NAMPxohagnPT4=";
+    hash = "sha256-QmcwfzYAZjcj8kr5LVlumcg1lCUxUTUFKkLUUflSkgA=";
   };
 
   dontUnpack = true;
diff --git a/pkgs/servers/guacamole-server/default.nix b/pkgs/servers/guacamole-server/default.nix
index 58628b48a5b8..1b9623eab22f 100644
--- a/pkgs/servers/guacamole-server/default.nix
+++ b/pkgs/servers/guacamole-server/default.nix
@@ -26,13 +26,13 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "guacamole-server";
-  version = "1.5.4";
+  version = "1.5.5";
 
   src = fetchFromGitHub {
     owner = "apache";
     repo = "guacamole-server";
     rev = finalAttrs.version;
-    hash = "sha256-Jke9Sp/T/GyamTq7lyu8JakJHqEwSrer0v1DugSg7JY=";
+    hash = "sha256-ZrUaoWkZ3I/LxE7csDXXeUZ92jZDhkZ1c8EQU0gI1yY=";
   };
 
   NIX_CFLAGS_COMPILE = [