diff --git a/CMake/ctre.cmake b/CMake/ctre.cmake
index 8cc43ce..6706f42 100644
--- a/CMake/ctre.cmake
+++ b/CMake/ctre.cmake
@@ -1,11 +1,13 @@
-include(FetchContent)
+if(NOT TARGET pugixml)
+    include(FetchContent)
 
-FetchContent_Declare(
-    ctre
-    GIT_REPOSITORY https://code.3011.io/Mirrors/compile-time-regular-expressions
-    GIT_TAG        v3.10.0
-)
+    FetchContent_Declare(
+        ctre
+        GIT_REPOSITORY https://code.3011.io/Mirrors/compile-time-regular-expressions
+        GIT_TAG        v3.10.0
+    )
 
-FetchContent_MakeAvailable(
-    ctre
-)
+    FetchContent_MakeAvailable(
+        ctre
+    )
+endif()
diff --git a/CMake/pugixml.cmake b/CMake/pugixml.cmake
index f7df319..fd5f750 100644
--- a/CMake/pugixml.cmake
+++ b/CMake/pugixml.cmake
@@ -1,11 +1,13 @@
-include(FetchContent)
+if(NOT TARGET pugixml)
+    include(FetchContent)
 
-FetchContent_Declare(
-    pugixml
-    GIT_REPOSITORY https://code.3011.io/Mirrors/pugixml
-    GIT_TAG        v1.15
-)
+    FetchContent_Declare(
+        pugixml
+        GIT_REPOSITORY https://code.3011.io/Mirrors/pugixml
+        GIT_TAG        v1.15
+    )
 
-FetchContent_MakeAvailable(
-    pugixml
-)
+    FetchContent_MakeAvailable(
+        pugixml
+    )
+endif()