diff --git a/changelog.d/10132.doc b/changelog.d/10132.doc
new file mode 100644
index 0000000000000000000000000000000000000000..70f538f0775a72e7eb4b663e3824b7d785ec2d7e
--- /dev/null
+++ b/changelog.d/10132.doc
@@ -0,0 +1 @@
+Fix broken link in Docker docs.
diff --git a/docker/README.md b/docker/README.md
index c8d3c4b3daf3988846fb420781aea260e8d29b4e..3f28cdada35e85920ecee2c242f2fc2e4d0c47f4 100644
--- a/docker/README.md
+++ b/docker/README.md
@@ -226,4 +226,4 @@ healthcheck:
 ## Using jemalloc
 
 Jemalloc is embedded in the image and will be used instead of the default allocator.
-You can read about jemalloc by reading the Synapse [README](../README.md).
+You can read about jemalloc by reading the Synapse [README](../README.rst).