diff --git a/manifest.toml b/manifest.toml
index f2aa24c..2f342cc 100644
--- a/manifest.toml
+++ b/manifest.toml
@@ -76,10 +76,10 @@ ram.runtime = "1G"
     extract = false
     rename = "sliding-proxy"
 
-    amd64.url = "https://github.com/matrix-org/sliding-sync/releases/download/v0.99.15/syncv3_linux_amd64"
-    amd64.sha256 = "f5a57a26a5a478470774d8f6387accf5ed7644c8258c8ff7570998b99f7afe01"
-    arm64.url = "https://github.com/matrix-org/sliding-sync/releases/download/v0.99.15/syncv3_linux_arm64"
-    arm64.sha256 = "24bd8c5ebf89806104465b8b218aba7e05b15c095d010aba2fb666172a106f75"
+    amd64.url = "https://github.com/matrix-org/sliding-sync/releases/download/v0.99.18/syncv3_linux_amd64"
+    amd64.sha256 = "852ffefe59332d0ad55db4518b2be44e0b120e563afe3fb52afe078a0feacb7c"
+    arm64.url = "https://github.com/matrix-org/sliding-sync/releases/download/v0.99.18/syncv3_linux_arm64"
+    arm64.sha256 = "bfff6be2f57e1a55698ea1945e29bdb5ffd7ed6043069edaf2f0e21c384e2872"
 
     [resources.sources.sliding_proxy_rootfs]
     prefetch = true