diff --git a/Dockerfile.crystal b/Dockerfile.crystal
index c22c4ad..3f65233 100644
--- a/Dockerfile.crystal
+++ b/Dockerfile.crystal
@@ -11,16 +11,16 @@ RUN apk add --update --no-cache \
 # Cross compile for target architecture
 ARG TARGETARCH
 # Build crystal
-WORKDIR /tmp/crystal
-ARG crystal_version=1.9.1
+WORKDIR /usr/src/crystal
+ARG crystal_version=1.11.2
 RUN git clone --depth=1 --single-branch --branch=$crystal_version https://github.com/crystal-lang/crystal.git . && \
   gzip -9 man/crystal.1 && \
   mkdir .build && \
   make crystal static=1 release=1 target=$TARGETARCH-alpine-linux-musl PREFIX=/usr FLAGS="--no-debug" | tail -1 > .build/crystal.sh && \
   rm src/llvm/ext/llvm_ext.o
 # Build shards
-WORKDIR /tmp/shards
-ARG shards_version=0.17.0
+WORKDIR /usr/src/shards
+ARG shards_version=0.17.4
 RUN git clone --depth=1 --single-branch --branch=v${shards_version} https://github.com/crystal-lang/shards.git . && \
   gzip -9 man/shards.1 man/shard.yml.5 && \
   make bin/shards static=1 release=1 FLAGS="--no-debug --cross-compile --target=$TARGETARCH-alpine-linux-musl" | tail -1 > bin/shards.sh
@@ -30,12 +30,12 @@ FROM alpine:$alpine_version AS target-builder
 ARG llvm_version=16
 RUN apk add --update --no-cache \
     llvm${llvm_version}-dev llvm${llvm_version}-static \
-    zlib-static yaml-static libxml2 libxml2-dev pcre-dev pcre2-dev libevent-static \
+    zlib-static yaml-static libxml2 libxml2-dev pcre2-dev libevent-static \
     libffi-dev git g++ make automake libtool autoconf curl
 RUN apk add --update --no-cache libxml2-static || true
 RUN apk add --update --no-cache zstd-static || true
 # Build libgc
-WORKDIR /tmp/libc
+WORKDIR /usr/src/libc
 ARG gc_version=8.2.4
 RUN git clone --depth=1 --single-branch --branch=v${gc_version} https://github.com/ivmai/bdwgc.git . && \
   ./autogen.sh && \
@@ -43,32 +43,32 @@ RUN git clone --depth=1 --single-branch --branch=v${gc_version} https://github.c
   make -j$(nproc) CFLAGS="-DNO_GETCONTEXT -pipe -fPIE -O3" && \
   make install
 # Link crystal
-WORKDIR /tmp/crystal
-COPY --from=builder /tmp/crystal/Makefile .
-COPY --from=builder /tmp/crystal/src/llvm/ext src/llvm/ext
-COPY --from=builder /tmp/crystal/.build .build
+WORKDIR /usr/src/crystal
+COPY --from=builder /usr/src/crystal/Makefile .
+COPY --from=builder /usr/src/crystal/src/llvm/ext src/llvm/ext
+COPY --from=builder /usr/src/crystal/.build .build
 RUN make llvm_ext
 RUN sh -ex .build/crystal.sh && strip .build/crystal
 # Link shards
-WORKDIR /tmp/shards
-COPY --from=builder /tmp/shards/bin bin
+WORKDIR /usr/src/shards
+COPY --from=builder /usr/src/shards/bin bin
 RUN sh -ex bin/shards.sh && strip bin/shards
 
 # start from a clean image
 FROM alpine:$alpine_version
 
 # add dependencies commonly required for building crystal applications
-RUN apk add --update --no-cache musl-dev gcc pcre-dev pcre2-dev libevent-dev libevent-static openssl-dev openssl-libs-static libxml2-dev zlib-dev zlib-static git make yaml-dev
+RUN apk add --update --no-cache musl-dev gcc pcre2-dev libevent-dev libevent-static openssl-dev openssl-libs-static libxml2-dev zlib-dev zlib-static git make yaml-dev libxml2-static gmp-dev
 RUN apk add --update --no-cache libxml2-static; exit 0
 
 # copy the binaries + stdlib + libgc from the build stage
-COPY --from=builder /tmp/crystal/*.md /usr/share/doc/crystal/
-COPY --from=builder /tmp/crystal/man/crystal.1.gz /usr/share/man/man1/
-COPY --from=builder /tmp/shards/man/shards.1.gz /usr/share/man/man1/
-COPY --from=builder /tmp/shards/man/shard.yml.5.gz /usr/share/man/man5/
-COPY --from=builder /tmp/crystal/src /usr/share/crystal/src
-COPY --from=target-builder /tmp/crystal/.build/crystal /usr/bin/
-COPY --from=target-builder /tmp/shards/bin/shards /usr/bin/
+COPY --from=builder /usr/src/crystal/*.md /usr/share/doc/crystal/
+COPY --from=builder /usr/src/crystal/man/crystal.1.gz /usr/share/man/man1/
+COPY --from=builder /usr/src/shards/man/shards.1.gz /usr/share/man/man1/
+COPY --from=builder /usr/src/shards/man/shard.yml.5.gz /usr/share/man/man5/
+COPY --from=builder /usr/src/crystal/src /usr/share/crystal/src
+COPY --from=target-builder /usr/src/crystal/.build/crystal /usr/bin/
+COPY --from=target-builder /usr/src/shards/bin/shards /usr/bin/
 COPY --from=target-builder /usr/lib/libgc.a /usr/lib/
 COPY --from=target-builder /usr/lib/libgc.a /usr/lib/crystal/