diff --git a/Cargo.lock b/Cargo.lock
index 2740a2e..989cfe5 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -192,6 +192,28 @@ dependencies = [
  "tree-sitter-language",
 ]
 
+[[package]]
+name = "arborium-cedar"
+version = "2.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "09aa67e2e82e8d7812468f02aedc98f15fc6060e0b89986582646291d6b3eb4d"
+dependencies = [
+ "arborium-sysroot",
+ "cc",
+ "tree-sitter-language",
+]
+
+[[package]]
+name = "arborium-cedarschema"
+version = "2.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d0c2104e2e6fdec3cfc1e025ac61220d79123bf46db859b65fbcade8e3576d34"
+dependencies = [
+ "arborium-sysroot",
+ "cc",
+ "tree-sitter-language",
+]
+
 [[package]]
 name = "arborium-clojure"
 version = "2.10.0"
@@ -214,6 +236,17 @@ dependencies = [
  "tree-sitter-language",
 ]
 
+[[package]]
+name = "arborium-cobol"
+version = "2.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b35d057d5616c71b315a6e4fcb7031839056162f914d63aa438c9cc40d811d29"
+dependencies = [
+ "arborium-sysroot",
+ "cc",
+ "tree-sitter-language",
+]
+
 [[package]]
 name = "arborium-commonlisp"
 version = "2.10.0"
@@ -1648,8 +1681,11 @@ dependencies = [
  "arborium-c-sharp",
  "arborium-caddy",
  "arborium-capnp",
+ "arborium-cedar",
+ "arborium-cedarschema",
  "arborium-clojure",
  "arborium-cmake",
+ "arborium-cobol",
  "arborium-commonlisp",
  "arborium-cpp",
  "arborium-css",
diff --git a/crates/plotnik-cli/Cargo.toml b/crates/plotnik-cli/Cargo.toml
index aa05f52..b76da23 100644
--- a/crates/plotnik-cli/Cargo.toml
+++ b/crates/plotnik-cli/Cargo.toml
@@ -46,8 +46,11 @@ all-languages = [
     "lang-c-sharp",
     "lang-caddy",
     "lang-capnp",
+    "lang-cedar",
+    "lang-cedarschema",
     "lang-clojure",
     "lang-cmake",
+    "lang-cobol",
     "lang-commonlisp",
     "lang-cpp",
     "lang-css",
@@ -147,8 +150,11 @@ lang-c = ["plotnik-langs/lang-c"]
 lang-c-sharp = ["plotnik-langs/lang-c-sharp"]
 lang-caddy = ["plotnik-langs/lang-caddy"]
 lang-capnp = ["plotnik-langs/lang-capnp"]
+lang-cedar = ["plotnik-langs/lang-cedar"]
+lang-cedarschema = ["plotnik-langs/lang-cedarschema"]
 lang-clojure = ["plotnik-langs/lang-clojure"]
 lang-cmake = ["plotnik-langs/lang-cmake"]
+lang-cobol = ["plotnik-langs/lang-cobol"]
 lang-commonlisp = ["plotnik-langs/lang-commonlisp"]
 lang-cpp = ["plotnik-langs/lang-cpp"]
 lang-css = ["plotnik-langs/lang-css"]
diff --git a/crates/plotnik-langs/Cargo.toml b/crates/plotnik-langs/Cargo.toml
index 85a6e18..c892046 100644
--- a/crates/plotnik-langs/Cargo.toml
+++ b/crates/plotnik-langs/Cargo.toml
@@ -43,8 +43,11 @@ all-languages = [
     "lang-c-sharp",
     "lang-caddy",
     "lang-capnp",
+    "lang-cedar",
+    "lang-cedarschema",
     "lang-clojure",
     "lang-cmake",
+    "lang-cobol",
     "lang-commonlisp",
     "lang-cpp",
     "lang-css",
@@ -146,8 +149,11 @@ lang-c = ["dep:arborium-c"]
 lang-c-sharp = ["dep:arborium-c-sharp"]
 lang-caddy = ["dep:arborium-caddy"]
 lang-capnp = ["dep:arborium-capnp"]
+lang-cedar = ["dep:arborium-cedar"]
+lang-cedarschema = ["dep:arborium-cedarschema"]
 lang-clojure = ["dep:arborium-clojure"]
 lang-cmake = ["dep:arborium-cmake"]
+lang-cobol = ["dep:arborium-cobol"]
 lang-commonlisp = ["dep:arborium-commonlisp"]
 lang-cpp = ["dep:arborium-cpp"]
 lang-css = ["dep:arborium-css"]
@@ -252,8 +258,11 @@ arborium-c = { version = "2.10.0", optional = true }
 arborium-c-sharp = { version = "2.10.0", optional = true }
 arborium-caddy = { version = "2.10.0", optional = true }
 arborium-capnp = { version = "2.10.0", optional = true }
+arborium-cedar = { version = "2.10.0", optional = true }
+arborium-cedarschema = { version = "2.10.0", optional = true }
 arborium-clojure = { version = "2.10.0", optional = true }
 arborium-cmake = { version = "2.10.0", optional = true }
+arborium-cobol = { version = "2.10.0", optional = true }
 arborium-commonlisp = { version = "2.10.0", optional = true }
 arborium-cpp = { version = "2.10.0", optional = true }
 arborium-css = { version = "2.10.0", optional = true }
diff --git a/crates/plotnik-langs/src/builtin.rs b/crates/plotnik-langs/src/builtin.rs
index f4e167e..48ac7ee 100644
--- a/crates/plotnik-langs/src/builtin.rs
+++ b/crates/plotnik-langs/src/builtin.rs
@@ -185,6 +185,22 @@ define_langs! {
         names: ["capnp", "capnproto"],
         extensions: ["capnp"],
     },
+    cedar => {
+        feature: "lang-cedar",
+        name: "cedar",
+        ts_lang: arborium_cedar::language(),
+        lang_key: "CEDAR",
+        names: ["cedar"],
+        extensions: ["cedar"],
+    },
+    cedarschema => {
+        feature: "lang-cedarschema",
+        name: "cedarschema",
+        ts_lang: arborium_cedarschema::language(),
+        lang_key: "CEDARSCHEMA",
+        names: ["cedarschema"],
+        extensions: ["cedarschema"],
+    },
     clojure => {
         feature: "lang-clojure",
         name: "clojure",
@@ -201,6 +217,14 @@ define_langs! {
         names: ["cmake"],
         extensions: ["cmake"],
     },
+    cobol => {
+        feature: "lang-cobol",
+        name: "cobol",
+        ts_lang: arborium_cobol::language(),
+        lang_key: "COBOL",
+        names: ["cobol", "cob"],
+        extensions: ["cob", "cbl", "cpy"],
+    },
     commonlisp => {
         feature: "lang-commonlisp",
         name: "commonlisp",