diff --git a/sexp-grammar.cabal b/sexp-grammar.cabal
--- a/sexp-grammar.cabal
+++ b/sexp-grammar.cabal
@@ -1,5 +1,5 @@
 name:                sexp-grammar
-version:             2.3.1
+version:             2.3.2
 license:             BSD3
 license-file:        LICENSE
 author:              Yevhen Smolanka, Sergey Vinokurov
@@ -14,7 +14,7 @@
 description:
   Serialisation to and deserialisation from S-expressions derived from
   a single grammar definition.
-tested-with:   GHC == 8.0.2, GHC == 8.2.2, GHC == 8.4.3, GHC == 8.6.5
+tested-with:   GHC == 8.4.4, GHC == 8.6.5, GHC == 8.8.3, GHC == 8.10.1
 
 source-repository head
   type: git
@@ -43,11 +43,11 @@
 
   build-depends:
       array              >=0.5   && <0.6
-    , base               >=4.7   && <5.0
-    , bytestring         >=0.10  && <0.11
+    , base               >=4.11  && <5.0
+    , bytestring         >=0.10  && <0.12
     , containers         >=0.5.5 && <0.7
     , data-fix           >=0.3   && <0.4
-    , deepseq            >=1.0   && <2.0
+    , deepseq            >=1.4.3 && <2.0
     , invertible-grammar >=0.1.3 && <0.2
     , prettyprinter      >=1     && <1.8
     , recursion-schemes  >=5.2   && <5.3