diff --git a/package.yaml b/package.yaml
index 379b4af..678c1fb 100644
--- a/package.yaml
+++ b/package.yaml
@@ -45,6 +45,7 @@ dependencies:
 - tomland
 - validation-selective
 - optparse-applicative
+- co-log
 
 when:
   - condition: flag(http)