diff --git a/Cargo.toml b/Cargo.toml
index bc94a2b..6bf12bb 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -58,5 +58,5 @@ sp-runtime-interface = { version = "19.0.0" }
 
 # Local dependencies
 
-drink = { version = "0.8.7", path = "drink" }
-drink-test-macro = { version = "0.8.7", path = "drink/test-macro" }
+drink = { version = "=0.8.7", path = "drink" }
+drink-test-macro = { version = "=0.8.7", path = "drink/test-macro" }