diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Revision history for delivery-status-notification
 
+## 0.2.0.2 -- 2025-05-26
+
+* dependency version updates
+
 ## 0.2.0.0 -- 2024-08-19
 
 * added attoparsec status code parser
diff --git a/delivery-status-notification.cabal b/delivery-status-notification.cabal
--- a/delivery-status-notification.cabal
+++ b/delivery-status-notification.cabal
@@ -1,6 +1,6 @@
 cabal-version:      3.0
 name:               delivery-status-notification
-version:            0.2.0.0
+version:            0.2.0.2
 synopsis:           Parse bounce messages per RFC3464, RFC3463
 
 description:
@@ -22,7 +22,7 @@
 
 source-repository head
   type: git
-  location: git://github.com/bmillwood/delivery-status-notification.git
+  location: https://github.com/bmillwood/delivery-status-notification
 
 common warnings
     ghc-options: -Wall
@@ -41,7 +41,7 @@
     -- other-modules:
     build-depends:
       attoparsec ^>=0.14,
-      base ^>=4.18,
+      base >= 4.18 && < 4.22,
       text >= 2.0 && < 2.2,
     hs-source-dirs:   src
 
@@ -56,5 +56,5 @@
       StatusCode
     build-depends:
       attoparsec ^>=0.14,
-      base ^>=4.18,
+      base >= 4.18 && < 4.22,
       delivery-status-notification,