diff --git a/backend/src/langs.ts b/backend/src/langs.ts
index 385fcc6..d3036aa 100644
--- a/backend/src/langs.ts
+++ b/backend/src/langs.ts
@@ -1872,6 +1872,9 @@ main = do
     scope: {
       code: `x = 123 * 234`,
     },
+    lsp: {
+      start: `R --slave -e "languageserver::run()"`,
+    },
     template: `print("Hello, world!")
 `,
   },
diff --git a/scripts/docker-install-phase3c.bash b/scripts/docker-install-phase3c.bash
index b02aa5e..a0a2c9e 100755
--- a/scripts/docker-install-phase3c.bash
+++ b/scripts/docker-install-phase3c.bash
@@ -66,6 +66,8 @@ python3-pip
 python3-venv
 
 # R
+libcurl4-openssl-dev
+libxml2-dev
 r-base
 
 # Racket
diff --git a/scripts/docker-install-phase5.bash b/scripts/docker-install-phase5.bash
index 42dc84f..05b8991 100755
--- a/scripts/docker-install-phase5.bash
+++ b/scripts/docker-install-phase5.bash
@@ -89,6 +89,9 @@ npm install -g purescript spago
 # Python
 pip3 install black
 
+# R
+R -e 'install.packages("languageserver")'
+
 # ReasonML
 npm install -g bs-platform
 opam install -y reason