diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,16 @@
 # Changelog
 
+## next release
+
+### Breaking changes
+
+### Non-breaking changes
+
+## 1.3.0.0
+
+- `io-sim-1.3.0.0`.
+* Support `ghc-9.8`.
+
 ## 1.2.0.0
 
 ### Breaking changes
diff --git a/strict-stm.cabal b/strict-stm.cabal
--- a/strict-stm.cabal
+++ b/strict-stm.cabal
@@ -1,6 +1,6 @@
 cabal-version:       3.0
 name:                strict-stm
-version:             1.2.0.0
+version:             1.3.0.0
 synopsis:            Strict STM interface polymorphic over stm implementation.
 description:
   Strict STM interface provided on top of
@@ -16,7 +16,7 @@
 build-type:          Simple
 extra-doc-files:     CHANGELOG.md README.md
 bug-reports:         https://github.com/input-output-hk/io-sim/issues
-tested-with:         GHC == { 8.10, 9.2, 9.4, 9.6 }
+tested-with:         GHC == { 8.10, 9.2, 9.4, 9.6, 9.8 }
 
 source-repository head
   type:     git
@@ -48,11 +48,11 @@
                        GADTs,
                        NamedFieldPuns,
                        TypeOperators
-  build-depends:       base        >= 4.9 && <4.19,
+  build-depends:       base        >= 4.9 && <4.20,
                        array,
                        stm         >= 2.5 && <2.6,
 
-                       io-classes ^>= 1.2
+                       io-classes ^>= 1.3
   ghc-options:         -Wall
                        -Wno-unticked-promoted-constructors
                        -Wcompat