diff --git a/irods_consortium_continuous_integration_build_hook.py b/irods_consortium_continuous_integration_build_hook.py
index dedda3e..22d6f4d 100644
--- a/irods_consortium_continuous_integration_build_hook.py
+++ b/irods_consortium_continuous_integration_build_hook.py
@@ -14,8 +14,8 @@ def add_cmake_to_front_of_path():
 
 def install_building_dependencies(externals_directory):
     externals_list = [
-        'irods-externals-avro1.11.0-1',
-        'irods-externals-boost1.78.0-0',
+        'irods-externals-avro1.11.0-2',
+        'irods-externals-boost1.81.0-0',
         'irods-externals-clang-runtime13.0.0-0',
         'irods-externals-clang13.0.0-0',
         'irods-externals-cmake3.21.4-0',