diff --git a/Cabal-syntax/Cabal-syntax.cabal b/Cabal-syntax/Cabal-syntax.cabal
index 48334f5c7e63df4a0b442f0475774ec2d4bbb218..f74b827e34b75244661a6b4c3a2d2b46c9e6de4a 100644
--- a/Cabal-syntax/Cabal-syntax.cabal
+++ b/Cabal-syntax/Cabal-syntax.cabal
@@ -33,7 +33,7 @@ library
     binary     >= 0.7      && < 0.9,
     bytestring >= 0.10.0.0 && < 0.12,
     containers >= 0.5.0.0  && < 0.7,
-    deepseq    >= 1.3.0.1  && < 1.5,
+    deepseq    >= 1.3.0.1  && < 1.6,
     directory  >= 1.2      && < 1.4,
     filepath   >= 1.3.0.1  && < 1.5,
     mtl        >= 2.1      && < 2.4,
diff --git a/Cabal/Cabal.cabal b/Cabal/Cabal.cabal
index 707f57c7745b3b172c9cd09702cfe8dc5a29bed8..da42b926e07b570900d2973acddef436947f03d7 100644
--- a/Cabal/Cabal.cabal
+++ b/Cabal/Cabal.cabal
@@ -39,7 +39,7 @@ library
     base       >= 4.9      && < 5,
     bytestring >= 0.10.0.0 && < 0.12,
     containers >= 0.5.0.0  && < 0.7,
-    deepseq    >= 1.3.0.1  && < 1.5,
+    deepseq    >= 1.3.0.1  && < 1.6,
     directory  >= 1.2      && < 1.4,
     filepath   >= 1.3.0.1  && < 1.5,
     pretty     >= 1.1.1    && < 1.2,