2 files changed, 10 insertions, 0 deletions
diff --git a/std/encoding/toml.ts b/std/encoding/toml.ts
index 336af97fb..bd6814ac3 100644
--- a/std/encoding/toml.ts
+++ b/std/encoding/toml.ts
@@ -471,6 +471,8 @@ class Dumper {
         out.push(this._strDeclaration([prop], value.toString()));
       } else if (typeof value === "number") {
         out.push(this._numberDeclaration([prop], value));
+      } else if (typeof value === "boolean") {
+        out.push(this._boolDeclaration([prop], value));
       } else if (
         value instanceof Array &&
         this._isSimplySerializable(value[0])
@@ -504,6 +506,7 @@ class Dumper {
     return (
       typeof value === "string" ||
       typeof value === "number" ||
+      typeof value === "boolean" ||
       value instanceof RegExp ||
       value instanceof Date ||
       value instanceof Array
@@ -538,6 +541,9 @@ class Dumper {
         return `${this._declaration(keys)}${value}`;
     }
   }
+  _boolDeclaration(keys: string[], value: boolean): string {
+    return `${this._declaration(keys)}${value}`;
+  }
   _dateDeclaration(keys: string[], value: Date): string {
     function dtPad(v: string, lPad = 2): string {
       return v.padStart(lPad, "0");
diff --git a/std/encoding/toml_test.ts b/std/encoding/toml_test.ts
index 0a927cde9..cc3d190b0 100644
--- a/std/encoding/toml_test.ts
+++ b/std/encoding/toml_test.ts
@@ -349,6 +349,8 @@ Deno.test({
         [1, 2],
       ],
       hosts: ["alpha", "omega"],
+      bool: true,
+      bool2: false,
     };
     const expected = `deno    = "is"
 not     = "[node]"
@@ -383,6 +385,8 @@ sf5     = NaN
 sf6     = NaN
 data    = [["gamma","delta"],[1,2]]
 hosts   = ["alpha","omega"]
+bool    = true
+bool2   = false
 
 [foo]
 bar     = "deno"