diff --git a/builder/Dockerfile.alpine-320 b/builder/Dockerfile.alpine-320
index 5baeb9a..71684c8 100644
--- a/builder/Dockerfile.alpine-320
+++ b/builder/Dockerfile.alpine-320
@@ -3,7 +3,7 @@ FROM alpine:3.20
 ENV OS_IDENTIFIER alpine-320
 
 RUN set -x \
-  && apk add -q R-dev curl ca-certificates bash g++ tzdata openjdk17 texmf-dist texlive-full tar sed patch tcl tk tk-dev xvfb
+  && apk add -q R-dev curl ca-certificates bash g++ tzdata openjdk17 texmf-dist texlive-full tar sed patch tcl tk tk-dev xvfb libdeflate libdeflate-dev
 
 # Install AWS CLI
 RUN curl "https://awscli.amazonaws.com/awscli-exe-linux-$(uname -m).zip" -o "awscliv2.zip" && \
diff --git a/builder/Dockerfile.alpine-321 b/builder/Dockerfile.alpine-321
index 64906b0..d51b87a 100644
--- a/builder/Dockerfile.alpine-321
+++ b/builder/Dockerfile.alpine-321
@@ -3,7 +3,7 @@ FROM alpine:3.21
 ENV OS_IDENTIFIER alpine-321
 
 RUN set -x \
-  && apk add -q R-dev curl ca-certificates bash g++ tzdata openjdk17 texmf-dist texlive-full tar sed patch tcl tk tk-dev xvfb
+  && apk add -q R-dev curl ca-certificates bash g++ tzdata openjdk17 texmf-dist texlive-full tar sed patch tcl tk tk-dev xvfb libdeflate libdeflate-dev
 
 # Install AWS CLI
 RUN curl "https://awscli.amazonaws.com/awscli-exe-linux-$(uname -m).zip" -o "awscliv2.zip" && \