diff --git a/Formula/eengine.rb b/Formula/eengine.rb
index 9236b7f..affe02a 100644
--- a/Formula/eengine.rb
+++ b/Formula/eengine.rb
@@ -3,30 +3,30 @@
 class Eengine < Formula
   desc "Express Engine - EXPRESS language parser and interpreter"
   homepage "https://github.com/expresslang/eengine-releases"
-  version "5.2.8"
+  version "5.0.18"
   license "BSD-2-Clause"
 
   on_macos do
     on_arm do
-      url "https://github.com/expresslang/eengine-releases/releases/download/eeng-5.2.8/eengine-5.2.8-mac-arm64-sbcl"
-      sha256 "423ecb5bbe401b1c720c526619e4f03f9e64e0dc0fdd134100c35cbfc5e49384"
+      url "https://github.com/expresslang/eengine-releases/releases/download/eeng-5.0.18/eengine-5.0.18-mac-arm64-sbcl"
+      sha256 "6f83f236656b74e1c78bdaa122792a2bab819eba37e698fc1683e7758b71b462"
     end
 
     on_intel do
-      url "https://github.com/expresslang/eengine-releases/releases/download/eeng-5.2.8/eengine-5.2.8-mac-x86-64-sbcl"
-      sha256 "bc3b73a060b138756f3277affe1ff85de38288de586ec4816fb4e5f6e124df17"
+      url "https://github.com/expresslang/eengine-releases/releases/download/eeng-5.0.18/eengine-5.0.18-mac-x86-64-sbcl"
+      sha256 "d84c267e9fd1ad6ef9789a8b254d4c32b03c490decffa407bf709fb3b357bcfe"
     end
   end
 
   on_linux do
     on_intel do
-      url "https://github.com/expresslang/eengine-releases/releases/download/eeng-5.2.8/eengine-5.2.8-lnx-x86-64-sbcl"
-      sha256 "87e9c28f12c926cead36b1126305d62fe50d9dabb401aa17d196d34da5a61bf1"
+      url "https://github.com/expresslang/eengine-releases/releases/download/eeng-5.0.18/eengine-5.0.18-lnx-x86-64-sbcl"
+      sha256 "1fc11f61f76d888a20fe106ddc1ffbcb192c9655535254f2078136b17081b9d1"
     end
 
     on_arm do
-      url "https://github.com/expresslang/eengine-releases/releases/download/eeng-5.2.8/eengine-5.2.8-lnx-arm64-sbcl"
-      sha256 "e8e4f3d31fd387c702681d6c0636b867e7eb577bf92676cf58ee7188ee6cd548"
+      url "https://github.com/expresslang/eengine-releases/releases/download/eeng-5.0.18/eengine-5.0.18-lnx-arm64-sbcl"
+      sha256 "1d906e2bd6ce2e194f066490ede8a2336a5ea22dd09df5a8edfb98aae82ba58b"
     end
   end
 
diff --git a/formula-metadata.json b/formula-metadata.json
index be53ff3..fb05396 100644
--- a/formula-metadata.json
+++ b/formula-metadata.json
@@ -1,21 +1,21 @@
 {
-  "version": "5.2.8",
+  "version": "5.0.18",
   "expresslang/eengine-releases": {
     "mac-arm64": {
-      "url": "https://github.com/expresslang/eengine-releases/releases/download/eeng-5.2.8/eengine-5.2.8-mac-arm64-sbcl",
-      "sha256": "423ecb5bbe401b1c720c526619e4f03f9e64e0dc0fdd134100c35cbfc5e49384"
+      "url": "https://github.com/expresslang/eengine-releases/releases/download/eeng-5.0.18/eengine-5.0.18-mac-arm64-sbcl",
+      "sha256": "6f83f236656b74e1c78bdaa122792a2bab819eba37e698fc1683e7758b71b462"
     },
     "mac-x86-64": {
-      "url": "https://github.com/expresslang/eengine-releases/releases/download/eeng-5.2.8/eengine-5.2.8-mac-x86-64-sbcl",
-      "sha256": "bc3b73a060b138756f3277affe1ff85de38288de586ec4816fb4e5f6e124df17"
+      "url": "https://github.com/expresslang/eengine-releases/releases/download/eeng-5.0.18/eengine-5.0.18-mac-x86-64-sbcl",
+      "sha256": "d84c267e9fd1ad6ef9789a8b254d4c32b03c490decffa407bf709fb3b357bcfe"
     },
     "lnx-x86-64": {
-      "url": "https://github.com/expresslang/eengine-releases/releases/download/eeng-5.2.8/eengine-5.2.8-lnx-x86-64-sbcl",
-      "sha256": "87e9c28f12c926cead36b1126305d62fe50d9dabb401aa17d196d34da5a61bf1"
+      "url": "https://github.com/expresslang/eengine-releases/releases/download/eeng-5.0.18/eengine-5.0.18-lnx-x86-64-sbcl",
+      "sha256": "1fc11f61f76d888a20fe106ddc1ffbcb192c9655535254f2078136b17081b9d1"
     },
     "lnx-arm64": {
-      "url": "https://github.com/expresslang/eengine-releases/releases/download/eeng-5.2.8/eengine-5.2.8-lnx-arm64-sbcl",
-      "sha256": "e8e4f3d31fd387c702681d6c0636b867e7eb577bf92676cf58ee7188ee6cd548"
+      "url": "https://github.com/expresslang/eengine-releases/releases/download/eeng-5.0.18/eengine-5.0.18-lnx-arm64-sbcl",
+      "sha256": "1d906e2bd6ce2e194f066490ede8a2336a5ea22dd09df5a8edfb98aae82ba58b"
     }
   }
 }
\ No newline at end of file