diff --git a/slfmt.nimble b/slfmt.nimble
index f5299ec..c00c104 100644
--- a/slfmt.nimble
+++ b/slfmt.nimble
@@ -10,5 +10,5 @@ bin           = @["slfmt"]
 
 # Dependencies
 
-requires @["nim >= 2.2.0", "docopt"]
+requires @["nim >= 2.2.0", "docopt >= 0.7.1"]
 requires @["timeutils", "zero_functional"]