diff --git a/.gitignore b/.gitignore
index 1e47707e..569e43ac 100644
--- a/.gitignore
+++ b/.gitignore
@@ -292,5 +292,4 @@ Build/nuget.exe
 *.js
 *.map
 
-*codeSigningKey.pfx
 /Tests/MQTTnet.TestApp.NetCore/RetainedMessages.json
diff --git a/Frameworks/MQTTnet.NetStandard/codeSigningKey.pfx b/Frameworks/MQTTnet.NetStandard/codeSigningKey.pfx
new file mode 100644
index 00000000..9374a5db
Binary files /dev/null and b/Frameworks/MQTTnet.NetStandard/codeSigningKey.pfx differ