diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6ee162814..7a4568323 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,13 @@ operator is in [./CHANGELOG-helmop.md](./CHANGELOG-helmop.md).
 This release completes the support for `HelmRelease` resources as used
 by the Helm operator from v0.5 onwards.
 
+**Note** This release bakes in `kubectl` v.1.11.3, while previous
+releases used v1.9.0. Officially, `kubectl` is compatible with one
+minor version before and one minor version after its own, i.e., now
+v1.10-1.12. In practice, it may work fine for most purposes in a wider
+range. If you run into difficulties relating to the `kubectl` version,
+[contact us](README.md#help).
+
 ### Fixes
 
 - Deal correctly with port numbers in images, when updating
diff --git a/docker/kubectl.version b/docker/kubectl.version
index 431b93ae0..47d4ecef5 100644
--- a/docker/kubectl.version
+++ b/docker/kubectl.version
@@ -1,2 +1,2 @@
-KUBECTL_VERSION=v1.9.0
-KUBECTL_CHECKSUM=ba96c8e71dba68b1b3abcad769392fb4df53e402cb65ef25cd176346ee2c39e8
+KUBECTL_VERSION=v1.11.3
+KUBECTL_CHECKSUM=14a70ac05c00fcfd7d632fc9e7a5fbc6615ce1b370bb1a0e506a24972d461493