diff --git a/Dockerfile b/Dockerfile
index 9178dcc..4db9b19 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,8 +1,8 @@
 FROM debian
 
-ENV TOR_VERSION=8.0a10
+ENV TOR_VERSION=8.5a1
 # Via https://dist.torproject.org/torbrowser/$TOR_VERSION/sha256sums-signed-build.txt
-ENV SHA256_CHECKSUM=71a3cfacbeacef0f33f3295c02ba0e64809100fc78b8c631a3700c072f459a0f
+ENV SHA256_CHECKSUM=8aa4a98924217df1dfda7a69d31ebb14a9dc96398459da2ce54eb436a8eb7d88
 ENV LANG=C.UTF-8
 ENV RELEASE_FILE=tor-browser-linux64-${TOR_VERSION}_en-US.tar.xz
 ENV RELEASE_KEY=0x4E2C6E8793298290