diff --git a/Dockerfile b/Dockerfile
index 7356d67..1602664 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM --platform=$BUILDPLATFORM debian:buster-slim AS builder
+FROM --platform=$BUILDPLATFORM debian:bullseye-slim AS builder
 ARG TARGETPLATFORM
 WORKDIR /app
 COPY . .
@@ -9,6 +9,6 @@ RUN case "$TARGETPLATFORM" in \
     esac && \
     mv "$BINARY_PATH" /usr/local/bin/toggl-bridge
 
-FROM --platform=$TARGETPLATFORM debian:buster-slim
+FROM --platform=$TARGETPLATFORM debian:bullseye-slim
 COPY --from=builder /usr/local/bin/toggl-bridge /usr/local/bin/
 CMD ["toggl-bridge"]