diff --git a/Project.toml b/Project.toml
index 94e5e07..0f56f92 100644
--- a/Project.toml
+++ b/Project.toml
@@ -8,6 +8,7 @@ DataFrames = "a93c6f00-e57d-5684-b7b6-d8193f3e46c0"
 OMOPCDMCohortCreator = "f525a15e-a73f-4eef-870f-f901257eae22"
 
 [compat]
+OMOPCDMCohortCreator = "0.5"
 julia = "1.6"
 
 [extras]