diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Revision history for deep-transformations
 
+## 0.2.1.2 -- 2023-06-25
+
+* Bumped the upper bound of the `template-haskell` dependency
+
 ## 0.2.1.1 -- 2023-04-02
 
 * Bumped the upper bound of the `rank2classes` dependency
diff --git a/deep-transformations.cabal b/deep-transformations.cabal
--- a/deep-transformations.cabal
+++ b/deep-transformations.cabal
@@ -2,7 +2,7 @@
 -- documentation, see http://haskell.org/cabal/users-guide/
 
 name:                deep-transformations
-version:             0.2.1.1
+version:             0.2.1.2
 synopsis:            Deep natural and unnatural tree transformations, including attribute grammars
 description:
 
@@ -45,7 +45,7 @@
   ghc-options:         -Wall
   build-depends:        base >= 4.11 && < 5, rank2classes >= 1.4.1 && < 1.6,
                         transformers >= 0.5 && < 0.7,
-                        template-haskell >= 2.11 && < 2.20, generic-lens >= 1.2 && < 2.3
+                        template-haskell >= 2.11 && < 2.21, generic-lens >= 1.2 && < 2.3
   default-language:     Haskell2010
 
 test-suite doctests