diff --git a/src/cabal2obs/Config/Ghc96x.hs b/src/cabal2obs/Config/Ghc96x.hs
index 642d0a4f..3b5a58f0 100644
--- a/src/cabal2obs/Config/Ghc96x.hs
+++ b/src/cabal2obs/Config/Ghc96x.hs
@@ -211,7 +211,7 @@ constraintList = [ "adjunctions ^>= 4.4.2"
                  , "hledger-interest"
                  , "hledger-lib"
                  , "hledger-ui"
-                 , "hlint"
+                 , "hlint == 3.6.*"
                  , "hourglass ^>= 0.2.12"
                  , "hscolour ^>= 1.25"
                  , "hslua ^>= 2.3.0"