diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,13 @@
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [0.1.0.2] - 2026-05-25
+
+### Changed
+
+- Relaxed the `effectful-core` upper bound to `<2.7`, allowing
+  `effectful-core 2.6`. No public API change in this adapter.
+
 ## [0.1.0.1] - 2026-04-29
 
 ### Changed
@@ -20,5 +27,6 @@
 (`runValiantWith`) handlers, plus smart constructors covering query,
 command, and transaction operations.
 
+[0.1.0.2]: https://github.com/joshburgess/valiant/releases/tag/valiant-effectful-v0.1.0.2
 [0.1.0.1]: https://github.com/joshburgess/valiant/releases/tag/valiant-effectful-v0.1.0.1
 [0.1.0.0]: https://github.com/joshburgess/valiant/releases/tag/v0.1.0.0
diff --git a/valiant-effectful.cabal b/valiant-effectful.cabal
--- a/valiant-effectful.cabal
+++ b/valiant-effectful.cabal
@@ -1,6 +1,6 @@
 cabal-version:   3.0
 name:            valiant-effectful
-version:         0.1.0.1
+version:         0.1.0.2
 synopsis:        Effectful adapter for valiant
 description:
   Provides an @Valiant@ effect for the @effectful@ effect system, enabling
@@ -67,7 +67,7 @@
 
   build-depends:
     , base            >=4.17 && <5
-    , effectful-core  >=2.3  && <2.6
+    , effectful-core  >=2.3  && <2.7
     , valiant         >=0.1  && <0.2
     , pg-wire         >=0.2  && <0.3
     , vector          >=0.12 && <0.14
@@ -89,7 +89,7 @@
   build-depends:
     , base            >=4.17 && <5
     , bytestring      >=0.11 && <0.13
-    , effectful-core   >=2.3  && <2.6
+    , effectful-core   >=2.3  && <2.7
     , hspec           >=2.11 && <2.13
     , valiant
     , valiant-effectful