diff --git a/backend/src/langs.ts b/backend/src/langs.ts
index 02112ba..ae54015 100644
--- a/backend/src/langs.ts
+++ b/backend/src/langs.ts
@@ -2419,6 +2419,14 @@ rofl lol
       code: `x = 123 * 234`,
     },
     template: `print("Hello, world!")
+`,
+  },
+  parser3: {
+    aliases: ["parser", "p"],
+    name: "Parser3",
+    main: "main.p",
+    run: "parser3 main.p",
+    template: `$console:line[Hello, world!]
 `,
   },
   pascal: {
diff --git a/scripts/docker-install-phase3c.bash b/scripts/docker-install-phase3c.bash
index 39174d3..dce1f23 100755
--- a/scripts/docker-install-phase3c.bash
+++ b/scripts/docker-install-phase3c.bash
@@ -58,6 +58,9 @@ autoconf
 # PARI/GP
 pari-gp
 
+# Parser3
+parser3-cgi
+
 # Pascal
 fpc