diff --git a/config/modules/Findtblite.cmake b/config/modules/Findtblite.cmake
index f8fbf600..eb399f83 100644
--- a/config/modules/Findtblite.cmake
+++ b/config/modules/Findtblite.cmake
@@ -16,7 +16,9 @@
 
 set(_lib "tblite")
 set(_pkg "TBLITE")
-set(_url "https://github.com/tblite/tblite")
+#set(_url "https://github.com/tblite/tblite")
+set(_url "https://github.com/pprcht/tblite")
+set(_branch "xtb_solvation")
 
 if(NOT DEFINED "${_pkg}_FIND_METHOD")
   set("${_pkg}_FIND_METHOD" "subproject" "cmake" "fetch" "pkgconf")
@@ -27,7 +29,7 @@ include("${CMAKE_CURRENT_LIST_DIR}/crest-utils.cmake")
 set(temp_with_tests ${WITH_TESTS}) # Save the current value of WITH_TESTS
 set(WITH_TESTS FALSE CACHE BOOL "Temporarily disable tests for the tblite subproject" FORCE)
 set(WITH_API FALSE)
-crest_find_package("${_lib}" "${${_pkg}_FIND_METHOD}" "${_url}")
+crest_find_package("${_lib}" "${${_pkg}_FIND_METHOD}" "${_url}" "${_branch}")
 
 set(found FALSE)
 if(TARGET "tblite::tblite")
diff --git a/config/modules/crest-utils.cmake b/config/modules/crest-utils.cmake
index 375714a2..340d26e4 100644
--- a/config/modules/crest-utils.cmake
+++ b/config/modules/crest-utils.cmake
@@ -24,10 +24,16 @@ macro(
   methods
   url
 )
+
+  if(NOT DEFINED ARGV3)
+    set(branch "HEAD")  # Default to HEAD if branch is not provided
+  else()
+    set(branch "${ARGV3}")  # Use the provided branch
+  endif()
+
   string(TOLOWER "${package}" _pkg_lc)
   string(TOUPPER "${package}" _pkg_uc)
 
-
   # iterate through lookup types in order
   foreach(method ${methods})
 
@@ -112,7 +118,7 @@ macro(
       FetchContent_Declare(
         "${_pkg_lc}"
         GIT_REPOSITORY "${url}"
-        GIT_TAG "HEAD"
+        GIT_TAG "${branch}"
       )
       FetchContent_MakeAvailable("${_pkg_lc}")