diff --git a/CHANGELOG.md b/CHANGELOG.md
index 972b92ec1..d0e93b068 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,12 @@
 
 ## Unreleased
 
+## [3.23.18] 2023-09-04
+
+### Fixed
+
+- Dependencies: Pin numpy<1.24 to ensure `np.object` can be used as a dtype
+
 ## [3.23.17] 2023-08-29
 
 ### Fixed
diff --git a/pyproject.toml b/pyproject.toml
index 09a4c5333..d13f757c6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -10,7 +10,7 @@ multi_line_output = 3
 
 [tool.poetry]
 name = "toucan-connectors"
-version = "3.23.17"
+version = "3.23.18"
 description = "Toucan Toco Connectors"
 authors = ["Toucan Toco <dev@toucantoco.com>"]
 license = "BSD"
diff --git a/sonar-project.properties b/sonar-project.properties
index a4681f7fd..4d646c92d 100644
--- a/sonar-project.properties
+++ b/sonar-project.properties
@@ -3,7 +3,7 @@ sonar.organization=toucantoco
 
 # This is the name and version displayed in the SonarCloud UI.
 sonar.projectName=Toucan Connectors
-sonar.projectVersion=3.23.17
+sonar.projectVersion=3.23.18
 sonar.python.version=3.10
 
 # Path is relative to the sonar-project.properties file. Replace "\" by "/" on Windows.