diff --git a/Dockerfile b/Dockerfile
index 3e961ed..6d217df 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -26,8 +26,8 @@ RUN case "${TARGETARCH}" in \
 # Pinned to the latest upstream release. Bump WISP_VERSION and WISP_COMMIT to
 # update (see UPDATING.md). WISP_COMMIT is the immutable commit the tag points
 # to; the guard below fails the build if the tag is ever re-pointed.
-ARG WISP_VERSION=v0.5.2
-ARG WISP_COMMIT=5af8b8c72c772c11d699a7999b4496552b05dbce
+ARG WISP_VERSION=v0.5.3
+ARG WISP_COMMIT=1a8ea8c0c7cada9bee0f73e6b430b4a5e7d66419
 RUN git clone --branch ${WISP_VERSION} --depth 1 https://github.com/privkeyio/wisp.git /src && \
     HEAD_SHA="$(git -C /src rev-parse HEAD)" && \
     if [ "${HEAD_SHA}" != "${WISP_COMMIT}" ]; then \
diff --git a/startos/versions/current.ts b/startos/versions/current.ts
index 0ff377f..ca8ecae 100644
--- a/startos/versions/current.ts
+++ b/startos/versions/current.ts
@@ -1,10 +1,10 @@
 import { IMPOSSIBLE, VersionInfo } from '@start9labs/start-sdk'
 
 export const current = VersionInfo.of({
-  version: '0.5.2:0',
+  version: '0.5.3:0',
   releaseNotes: {
     en_US:
-      'Updates wisp to v0.5.2: a further Spider reliability fix so connections to wss upstream relays stay open across quiet periods instead of dropping and reconnecting. Includes the v0.5.1 improvements: crash-safe storage by default, Spider no longer freezing your feed, and removal of the per-IP connection cap behind the StartOS reverse proxy.',
+      'Updates wisp to v0.5.3: Spider now keeps its connections to upstream relays open and streaming instead of repeatedly reconnecting, so your feed stays current with far less churn. Includes the earlier crash-safe storage, Spider feed-freeze fix, removal of the per-IP connection cap behind the StartOS proxy, and a diagnosable (ReleaseSafe) build.',
   },
   migrations: {
     up: async ({ effects }) => {},