diff --git a/bouncer/Dockerfile b/bouncer/Dockerfile
index a0467e4..82ee841 100644
--- a/bouncer/Dockerfile
+++ b/bouncer/Dockerfile
@@ -12,12 +12,12 @@ RUN git clone https://codeberg.org/emersion/soju.git
 
 WORKDIR /app/soju
 
-RUN git checkout v0.9.0
+RUN git checkout v0.10.1
 
 # RUN git apply ../subscriber-change.diff
 
-RUN --mount=type=cache,target=/go/pkg/,rw \
-  --mount=type=cache,target=/root/.cache/,rw \
+RUN --mount=type=cache,target=/go/pkg/mod,sharing=locked \
+  --mount=type=cache,target=/root/.cache/go-build,sharing=locked \
   go mod download
 
 FROM builder-deps AS builder
@@ -34,12 +34,12 @@ ENV LDFLAGS="-s -w"
 
 ENV GOOS=${TARGETOS} GOARCH=${TARGETARCH}
 
-RUN --mount=type=cache,target=/go/pkg/,rw \
-  --mount=type=cache,target=/root/.cache/,rw \
+RUN --mount=type=cache,target=/go/pkg/mod,sharing=locked \
+  --mount=type=cache,target=/root/.cache/go-build,sharing=locked \
   go build -ldflags "$LDFLAGS" ./cmd/soju
 
-RUN --mount=type=cache,target=/go/pkg/,rw \
-  --mount=type=cache,target=/root/.cache/,rw \
+RUN --mount=type=cache,target=/go/pkg/mod,sharing=locked \
+  --mount=type=cache,target=/root/.cache/go-build,sharing=locked \
   go build -ldflags "$LDFLAGS" ./cmd/sojuctl
 
 FROM scratch