diff --git a/app/pyproject.toml b/app/pyproject.toml
index 1deff3ce..099f9408 100644
--- a/app/pyproject.toml
+++ b/app/pyproject.toml
@@ -3,7 +3,7 @@
 
 [project]
 name = "github-runner-image-builder"
-version = "0.13.0"
+version = "0.13.1"
 authors = [
     { name = "Canonical IS DevOps", email = "is-devops-team@canonical.com" },
 ]
diff --git a/docs/changelog.md b/docs/changelog.md
index d7356b48..4a695e7e 100644
--- a/docs/changelog.md
+++ b/docs/changelog.md
@@ -1,6 +1,9 @@
 
 <!-- vale Canonical.007-Headings-sentence-case = NO -->
 
+## [#213 Fix proxy setup]
+* Fix proxy setup for image-relation joined hook.
+
 ## [#206 Add resolute image support]
 * Add resolute image support.
 
diff --git a/src/image.py b/src/image.py
index ba82ccaa..5b387ae1 100644
--- a/src/image.py
+++ b/src/image.py
@@ -55,6 +55,7 @@ def _on_image_relation_joined(self, event: ops.RelationJoinedEvent) -> None:
             event: The event emitted when a relation is joined.
         """
         build_config = state.BuilderConfig.from_charm(charm=self.charm)
+        self.charm._setup_proxy_environment(build_config.proxy)
         proxy = state.ProxyConfig.from_env()
         if not build_config.cloud_config.upload_cloud_ids:
             self.model.unit.status = ops.BlockedStatus(