diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 495c05b3f..90f7572fe 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,5 +1,5 @@
 {
     "tket-py": "0.12.1",
-    "tket-eccs": "0.5.0",
+    "tket-eccs": "0.5.1",
     "tket-exts": "0.10.0"
 }
\ No newline at end of file
diff --git a/tket-eccs/CHANGELOG.md b/tket-eccs/CHANGELOG.md
index 66a584243..b4341ee9e 100644
--- a/tket-eccs/CHANGELOG.md
+++ b/tket-eccs/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [0.5.1](https://github.com/CQCL/tket2/compare/tket-eccs-v0.5.0...tket-eccs-v0.5.1) (2025-08-18)
+
+
+### Documentation
+
+* Update README badges ([#1004](https://github.com/CQCL/tket2/issues/1004)) ([d609bf5](https://github.com/CQCL/tket2/commit/d609bf5f65af3cfe3ac44a16dfd4ef1bcacd5643))
+
 ## [0.5.0](https://github.com/CQCL/tket2/compare/tket-eccs-v0.4.0...tket-eccs-v0.5.0) (2025-07-29)
 
 
diff --git a/tket-eccs/pyproject.toml b/tket-eccs/pyproject.toml
index f07e32372..4288fee34 100644
--- a/tket-eccs/pyproject.toml
+++ b/tket-eccs/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "tket_eccs"
-version = "0.5.0"
+version = "0.5.1"
 requires-python = ">=3.10"
 description = "Precompiled rewrite sets for the tket 2 compiler"
 license = { file = "LICENCE" }
diff --git a/tket-eccs/src/tket_eccs/__init__.py b/tket-eccs/src/tket_eccs/__init__.py
index da4268b57..2400eec35 100644
--- a/tket-eccs/src/tket_eccs/__init__.py
+++ b/tket-eccs/src/tket_eccs/__init__.py
@@ -5,7 +5,7 @@
 
 # This is updated by our release-please workflow, triggered by this
 # annotation: x-release-please-version
-__version__ = "0.5.0"
+__version__ = "0.5.1"
 
 from importlib import resources
 from pathlib import Path