diff --git a/nitro.nimble b/nitro.nimble
index df2094d..a78502e 100644
--- a/nitro.nimble
+++ b/nitro.nimble
@@ -5,7 +5,7 @@ description = "Nitro state channels"
 
 requires "nim >= 1.2.6 & < 2.0.0"
 requires "nimcrypto >= 0.5.4 & < 0.6.0"
-requires "questionable >= 0.4.2 & < 0.5.0"
+requires "questionable >= 0.4.3 & < 0.5.0"
 requires "secp256k1"
 requires "stint"
 requires "stew"