diff --git a/CMakeLists.txt b/CMakeLists.txt
index e8e3017..6d87c02 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -14,6 +14,9 @@ set(CXX_EXTENSIONS NO)
 set(BOOST_INCLUDE_LIBRARIES "pfr;asio")
 option(CPM_USE_LOCAL_PACKAGES "Use local packages" ON)
 option(UTEMPL_USE_LOCAL_PACKAGE "Use utempl local package" OFF)
+set(UTEMPL_URL
+  "https://ivt5wiimhwpo56td6eodn2n3fduug3bglqvqewbk2jnyl4hcimea.b32.i2p/git/sha512sum/utempl"
+  CACHE STRING "utempl repository URL")
 
 file(GLOB_RECURSE LIB_SOURCES "library/src/*.cpp")
 file(GLOB_RECURSE SOURCES "src/*.cpp")
@@ -56,7 +59,7 @@ set(CPM_USE_LOCAL_PACKAGES ${UTEMPL_USE_LOCAL_PACKAGE})
 
 CPMAddPackage(
   NAME utempl
-  URL "https://github.com/linuxnyasha/utempl/archive/refs/heads/main.zip"
+  URL "${UTEMPL_URL}/archive/refs/heads/main.zip"
   EXCLUDE_FROM_ALL ON
   OPTIONS "ENABLE_TESTS OFF" "ENABLE_EXAMPLES OFF"
 )