diff --git a/CHANGELOG.md b/CHANGELOG.md
index b76031552..dc47a4914 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,12 @@
 
 ## Unreleased
 
+### [4.7.3] 2023-08-22
+
+### Fixed
+
+- GoogleSheets: Replace empty values by numpy `NaN`.
+
 ### [4.7.2] 2023-07-19
 
 ### Fixed
diff --git a/pyproject.toml b/pyproject.toml
index 3b4910c07..c61b54ece 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -11,7 +11,7 @@ multi_line_output = 3
 
 [tool.poetry]
 name = "toucan-connectors"
-version = "4.7.2"
+version = "4.7.3"
 description = "Toucan Toco Connectors"
 authors = ["Toucan Toco <dev@toucantoco.com>"]
 license = "BSD"
diff --git a/sonar-project.properties b/sonar-project.properties
index 0c6875097..37eb0c3eb 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=4.7.2
+sonar.projectVersion=4.7.3
 sonar.python.version=3.11
 
 # Path is relative to the sonar-project.properties file. Replace "\" by "/" on Windows.