diff --git a/cmake/external_dependencies.cmake b/cmake/external_dependencies.cmake
index 2eb6ec5..9f1d67e 100644
--- a/cmake/external_dependencies.cmake
+++ b/cmake/external_dependencies.cmake
@@ -4,7 +4,7 @@ include(FetchContent)
 
 function(setup_library SOURCE_TO_TEST)
     set(boolArgs HEADER_ONLY)
-    set(oneValueArgs NAME CXX_FLAGS GIT_REPOSITORY GIT_TAG TEST_DEFINITIONS TEST_LINK_LIBS)
+    set(oneValueArgs NAME CXX_FLAGS URL GIT_TAG TEST_DEFINITIONS TEST_LINK_LIBS)
     set(multiValueArgs WHEN)
     cmake_parse_arguments(LIB_SETUP "${boolArgs}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN})
 
@@ -27,12 +27,11 @@ function(setup_library SOURCE_TO_TEST)
     endif()
 
     FetchContent_Declare(${LIB_SETUP_NAME}
-                         GIT_REPOSITORY ${LIB_SETUP_GIT_REPOSITORY}
-                         GIT_TAG ${LIB_SETUP_GIT_TAG})
+        URL ${LIB_SETUP_URL})
     FetchContent_GetProperties(${LIB_SETUP_NAME})
     set(POPULATED "${LIB_SETUP_NAME}_POPULATED")
     if (NOT "${POPULATED}")
-        message("-- Downloading ${LIB_SETUP_NAME} from ${LIB_SETUP_GIT_REPOSITORY}")
+        message("-- Downloading ${LIB_SETUP_NAME} from ${LIB_SETUP_URL}")
         FetchContent_Populate(${LIB_SETUP_NAME})
         set(SRCDIR "${LIB_SETUP_NAME}_SOURCE_DIR")
         set(BINDIR "${LIB_SETUP_NAME}_BINARY_DIR")
@@ -51,8 +50,7 @@ function(setup_argparse)
             }")
     setup_library("${CHECK_SOURCE}"
                   NAME argparse
-                  GIT_REPOSITORY https://github.com/p-ranav/argparse.git
-                  GIT_TAG 45664c4
+                  URL @argparse_src@
                   HEADER_ONLY
                   )
     if (NOT TARGET argparse::argparse)
@@ -64,7 +62,7 @@ function(setup_curlpp)
     set(CHECK_SOURCE "#error unimplemented}")
     setup_library("${CHECK_SOURCE}"
                   NAME curlpp
-                  GIT_REPOSITORY https://github.com/jpbarrette/curlpp.git
+                  URL @curlpp_src@
                   )
     if (NOT APPLE)
         set(CURLPP_LIB_PATH1 "${curlpp_BINARY_DIR}/libcurlpp.so" PARENT_SCOPE)
@@ -79,7 +77,7 @@ function(setup_doctest)
                       #include <doctest/doctest.h>")
     setup_library("${CHECK_SOURCE}"
                   NAME doctest
-                  GIT_REPOSITORY https://github.com/onqtam/doctest.git
+                  URL @doctest_src@
                   HEADER_ONLY
                   )
     add_library(doctest::doctest ALIAS doctest)
@@ -100,8 +98,7 @@ function(setup_fmt)
         }")
     setup_library("${CHECK_SOURCE}"
                   NAME fmt
-                  GIT_REPOSITORY https://github.com/fmtlib/fmt.git
-                  GIT_TAG 8.1.1
+                  URL @fmt_src@
                   TEST_LINK_LIBS fmt
                   )
 
@@ -126,7 +123,7 @@ function(setup_nlohmann_json)
         add_library(nlohmann_json INTERFACE)
     else()
         FetchContent_Declare(nlohmann_json
-                             URL https://github.com/nlohmann/json/releases/download/v3.7.3/include.zip)
+                             URL @nlohmann_json_src@)
         FetchContent_GetProperties(nlohmann_json)
         if (NOT nlohmann_json_POPULATED)
             FetchContent_Populate(nlohmann_json)
@@ -146,8 +143,7 @@ function(setup_pugixml)
         }")
     setup_library("${CHECK_SOURCE}"
                   NAME pugixml
-                  GIT_REPOSITORY https://github.com/muttleyxd/pugixml.git
-                  GIT_TAG simple-build-for-a3ul
+                  URL @pugixml_src@
                   TEST_LINK_LIBS pugixml
                   )
     get_target_property(TARGET_TYPE pugixml TYPE)
@@ -188,8 +184,7 @@ function(setup_spdlog)
 
     setup_library("${CHECK_SOURCE}"
                   NAME spdlog
-                  GIT_REPOSITORY https://github.com/gabime/spdlog.git
-                  GIT_TAG v1.x
+                  URL @spdlog_src@
                   TEST_DEFINITIONS -DSPDLOG_FMT_EXTERNAL
                   TEST_LINK_LIBS ${FMT_TARGET_NAME}
                   CXX_FLAGS "-Wno-attributes -Wno-reorder -Wno-redundant-move"
@@ -198,8 +193,7 @@ endfunction()
 
 function(setup_steamworkssdk)
     FetchContent_Declare(steamworkssdk
-        URL https://github.com/julianxhokaxhiu/SteamworksSDKCI/releases/download/1.53/SteamworksSDK-v1.53.0_x64.zip
-        URL_HASH MD5=322c2c90c3ab76201c92f4a2c443f664
+        URL @steamworkssdk_src@
         CONFIGURE_COMMAND ""
         BUILD_COMMAND ""
         )
@@ -241,8 +235,7 @@ function(setup_trompeloeil)
                       int main() { }")
     setup_library("${CHECK_SOURCE}"
                   NAME trompeloeil
-                  GIT_REPOSITORY https://github.com/rollbear/trompeloeil.git
-                  GIT_TAG 64fd171
+                  URL @trompeloeil_src@
                   HEADER_ONLY
                   )
     add_library(trompeloeil::trompeloeil ALIAS trompeloeil)