diff --git a/Dockerfile b/Dockerfile
index 0b41cf7..aa6d37b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,8 +1,8 @@
 FROM debian
 
-ENV TOR_VERSION=8.0a5
+ENV TOR_VERSION=8.0a8
 # Via https://dist.torproject.org/torbrowser/$TOR_VERSION/sha256sums-signed-build.txt
-ENV SHA256_CHECKSUM=53fe3fc01de04eb9337cfea2299f390b47130f9ac7a9507d0e3f2d86728f5319
+ENV SHA256_CHECKSUM=6323d27cb82f59e8347bdc3d488e2c7eb6656ec215d377c486f5e4c16607c152
 ENV LANG=C.UTF-8
 ENV RELEASE_FILE=tor-browser-linux64-${TOR_VERSION}_en-US.tar.xz
 ENV RELEASE_KEY=0x4E2C6E8793298290