diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,13 @@
 
 ## [Unreleased]
 
+## [0.7.0.0] - 2026-09-16
+
+### Removed
+
+- Support for GHC 9.14. A faulty CI setup incorrectly stated that we were
+  building and testing successfully on GHC 9.14.
+
 ## [0.6.1.0] - 2026-09-15
 
 ### Added
diff --git a/atelier-core.cabal b/atelier-core.cabal
--- a/atelier-core.cabal
+++ b/atelier-core.cabal
@@ -5,7 +5,7 @@
 -- see: https://github.com/sol/hpack
 
 name:           atelier-core
-version:        0.6.1.0
+version:        0.7.0.0
 synopsis:       Foundational Effectful-based effects and utilities
 description:    Core effects and utilities for effect-based applications, built on Effectful — part of the atelier toolkit.
 category:       Control
@@ -21,7 +21,6 @@
   , GHC == 9.6.7
   , GHC == 9.8.4
   , GHC == 9.12.4
-  , GHC == 9.14.1
 extra-doc-files:
     CHANGELOG.md
     README.md
@@ -101,7 +100,7 @@
   build-depends:
       Glob ==0.10.*
     , aeson >=2.2 && <2.4
-    , atelier-prelude ==0.3.*
+    , atelier-prelude ==0.4.*
     , base >=4.18 && <4.23
     , base64-bytestring ==1.2.*
     , bytestring >=0.11 && <0.13
@@ -194,7 +193,7 @@
   build-depends:
       aeson >=2.2 && <2.4
     , atelier-core
-    , atelier-prelude ==0.3.*
+    , atelier-prelude ==0.4.*
     , base >=4.18 && <4.23
     , bytestring >=0.11 && <0.13
     , containers >=0.6 && <0.9