diff --git a/lxc/executors/lisp b/lxc/executors/lisp
new file mode 100644
index 0000000..6453985
--- /dev/null
+++ b/lxc/executors/lisp
@@ -0,0 +1,4 @@
+#!/bin/bash
+
+cd /tmp/$2
+timeout -s KILL 3 xargs -a args.args -d '\n' sbcl --script code.code < stdin.stdin
diff --git a/lxc/test_all_lxc b/lxc/test_all_lxc
index ba64572..bc77524 100755
--- a/lxc/test_all_lxc
+++ b/lxc/test_all_lxc
@@ -29,6 +29,8 @@ echo -n 'testing julia = '
 ../../cli/execute julia julia.jl
 echo -n 'testing kotlin = '
 ../../cli/execute kotlin kotlin.kt
+echo -n 'testing lisp = '
+../../cli/execute lisp lisp.cl
 echo -n 'testing nasm 32 bit = '
 ../../cli/execute nasm nasm.nasm
 echo -n 'testing nasm 64 bit = '
diff --git a/lxc/tests/lisp.cl b/lxc/tests/lisp.cl
new file mode 100644
index 0000000..77b5dc7
--- /dev/null
+++ b/lxc/tests/lisp.cl
@@ -0,0 +1 @@
+(write-line "good")
diff --git a/shared/languages.json b/shared/languages.json
index b158de2..fe6fc67 100644
--- a/shared/languages.json
+++ b/shared/languages.json
@@ -38,6 +38,15 @@
             "c"
         ]
     },
+    {
+        "name": "lisp",
+        "aliases": [
+            "lisp",
+            "commonlisp",
+            "clisp",
+            "cl"
+        ]
+    },
     {
         "name": "csharp",
         "aliases": [
diff --git a/var/install.txt b/var/install.txt
index f023ea7..a03f4fa 100644
--- a/var/install.txt
+++ b/var/install.txt
@@ -20,7 +20,7 @@ apt-get update
 apt-get install -y \
     nano wget build-essential pkg-config libxml2-dev \
     libsqlite3-dev mono-complete curl cmake libpython2.7-dev \
-    ruby libtinfo-dev unzip git openssl libssl-dev
+    ruby libtinfo-dev unzip git openssl libssl-dev sbcl
 
 # install python2
 # final binary: /opt/python2/Python-2.7.17/python
@@ -222,7 +222,6 @@ cd Brainfuck-interpreter
 echo 'export PATH=$PATH:/opt/bf/Brainfuck-interpreter' >> /opt/.profile
 source /opt/.profile
 
-
 # create runnable users and apply limits
 for i in {1..150}; do
     useradd -M runner$i