diff --git a/Dockerfile b/Dockerfile
index 17e06fcff..4bf1899b6 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -6,7 +6,7 @@ LABEL org.opencontainers.image.title="Nerd Fonts Patcher" \
       org.opencontainers.image.source="https://github.com/ryanoasis/nerd-fonts" \
       org.opencontainers.image.licenses="MIT"
 
-RUN apk update && apk upgrade && apk add --no-cache fontforge --repository=https://dl-cdn.alpinelinux.org/alpine/latest-stable/community
+RUN apk update && apk upgrade && apk add --no-cache fontforge parallel --repository=https://dl-cdn.alpinelinux.org/alpine/latest-stable/community
 
 ENV PYTHONIOENCODING=utf-8
 
diff --git a/bin/scripts/docker-entrypoint.sh b/bin/scripts/docker-entrypoint.sh
index 42950d085..14c4af268 100644
--- a/bin/scripts/docker-entrypoint.sh
+++ b/bin/scripts/docker-entrypoint.sh
@@ -23,6 +23,6 @@ done
 printf "Running with options:\n%s\n" "$args"
 
 # shellcheck disable=SC2086
-for f in /in/*.otf /in/*.ttf /in/*.woff /in/*.eot /in/*.ttc; do [ -f "$f" ] && fontforge -script /nerd/font-patcher -out /out $args "$f"; done
+find /in -type f \( -name "*.otf" -o -name "*.ttf" -o -name "*.woff" -o -name "*.eot" -o -name "*.ttc" \) | parallel fontforge -script /nerd/font-patcher -out /out $args {}
 
 exit 0