diff --git a/backend/src/langs.ts b/backend/src/langs.ts
index 2a95179..74ced3b 100644
--- a/backend/src/langs.ts
+++ b/backend/src/langs.ts
@@ -3247,6 +3247,17 @@ Ophelia:
     },
     template: `message("Hello, world!");
 `
+  },
+  slick: {
+    name: "Slick",
+    repl: "slick",
+    input: `DELAY: 1
+123 * 234`,
+    main: "main.sl",
+    run: "slick main.sl; slick",
+    template: `def main:
+  print "Hello, world!"
+`,
   },
   smalltalk: {
     aliases: ["gst", "st"],
diff --git a/scripts/docker-install-phase5.bash b/scripts/docker-install-phase5.bash
index 95eecba..a16d73d 100755
--- a/scripts/docker-install-phase5.bash
+++ b/scripts/docker-install-phase5.bash
@@ -109,6 +109,10 @@ npm install -g sass
 # Shakespeare
 pip3 install shakespearelang
 
+# Slick
+opam install -y dune
+ln -s /opt/opam/default/bin/dune /usr/local/bin/dune
+
 # TeX
 luarocks install digestif
 
diff --git a/scripts/docker-install-phase6.bash b/scripts/docker-install-phase6.bash
index f017b03..9ba5f81 100755
--- a/scripts/docker-install-phase6.bash
+++ b/scripts/docker-install-phase6.bash
@@ -5,6 +5,9 @@ set -o pipefail
 set -x
 pushd /tmp >/dev/null
 
+export OPAMROOT=/opt/opam
+export OPAMROOTISOK=1
+
 # Aheui
 git clone https://github.com/aheui/caheui.git
 pushd caheui >/dev/null
@@ -160,6 +163,17 @@ mv public/qlb/*.js /opt/qalb/
 popd >/dev/null
 rm -rf qalb
 
+# Slick
+git clone https://github.com/kwshi/slick.git
+pushd slick >/dev/null
+opam switch create .
+opam install --switch . $(dune external-lib-deps src --display=quiet | grep -F - | sed 's/- //; s/\..*//') -y
+opam install --switch . menhir -y
+opam exec --switch . dune build
+mv _build/default/src/exe/main.exe /usr/local/bin/slick
+popd >/dev/null
+rm -rf slick
+
 # Snobol
 file="$(curl -sSL ftp://ftp.snobol4.org/snobol/ | grep -Eo 'snobol4-.*\.tar\.gz' | sort -rV | head -n1)"
 wget -nv "ftp://ftp.snobol4.org/snobol/${file}"