diff --git a/http-barf.cabal b/http-barf.cabal
index 981479e..8c0f59c 100644
--- a/http-barf.cabal
+++ b/http-barf.cabal
@@ -29,13 +29,13 @@ library
   -- other-modules:
   -- other-extensions:
   build-depends:
-    , aeson
-    , base
-    , bytestring
-    , http-client
-    , http-client-tls
-    , mtl
-    , vector
+    , aeson            <2.3
+    , base             <5
+    , bytestring       <0.13
+    , http-client      <0.8
+    , http-client-tls  <0.4
+    , mtl              <2.4
+    , vector           <0.14
 
   hs-source-dirs:     src
   default-language:   GHC2021