diff --git a/descriptions/SDK.Mirror.md b/descriptions/SDK.Mirror.md
new file mode 100644
index 000000000..a877cd078
--- /dev/null
+++ b/descriptions/SDK.Mirror.md
@@ -0,0 +1 @@
+[**Mirror**](https://github.com/MirrorNetworking/Mirror) - The #1 free open source game networking library for Unity.
\ No newline at end of file
diff --git a/rules.ini b/rules.ini
index 89cdf9045..65132a4b4 100644
--- a/rules.ini
+++ b/rules.ini
@@ -304,6 +304,7 @@ Lua[] = (?:^|/)(?:lib)?lua5\.?[01234]\.(?:dll|so)$
 Lua[] = \.lua$
 LWJGL = (?:^|/)lwjgl(?:64)?\.(?:dll|jar)$
 Miles_Sound_System = (?:^|/)mss(?:16|32|64)\.dll$
+Mirror = (?:^|/)Mirror\.dll$
 Modio = (?:^|/)mod\.?io
 NodeJS = (?:^|/)(?:lib)?node\.(?:dll|dylib)$
 NvCloth = (?:^|/)NvCloth(?:profile)?_x(?:64|86)\.dll$
diff --git a/tests/types/SDK.Mirror.txt b/tests/types/SDK.Mirror.txt
new file mode 100644
index 000000000..5108898f9
--- /dev/null
+++ b/tests/types/SDK.Mirror.txt
@@ -0,0 +1,3 @@
+/Mirror.dll
+/folder/Mirror.dll
+Mirror.dll
\ No newline at end of file
diff --git a/tests/types/_NonMatchingTests.txt b/tests/types/_NonMatchingTests.txt
index 9a8475850..f2ea0666a 100644
--- a/tests/types/_NonMatchingTests.txt
+++ b/tests/types/_NonMatchingTests.txt
@@ -260,6 +260,8 @@ falcoengine.dlll
 athEngine.dll
 PathEngine.dl
 PathEngine_dll
+Mirror_dll
+Mirror.dl
 somethingFishnet.Runtime.dll
 Fishnet.Runtime_dll
 Fishnet.Runtime.dllWhoopsie