diff --git a/package-lock.json b/package-lock.json
index 19d0702..2930b0f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
     "name": "vscode-dmbinder",
-    "version": "0.5.6",
+    "version": "0.5.12",
     "lockfileVersion": 1,
     "requires": true,
     "dependencies": {
@@ -1982,7 +1982,8 @@
                 "ansi-regex": {
                     "version": "2.1.1",
                     "bundled": true,
-                    "dev": true
+                    "dev": true,
+                    "optional": true
                 },
                 "aproba": {
                     "version": "1.2.0",
@@ -2003,12 +2004,14 @@
                 "balanced-match": {
                     "version": "1.0.0",
                     "bundled": true,
-                    "dev": true
+                    "dev": true,
+                    "optional": true
                 },
                 "brace-expansion": {
                     "version": "1.1.11",
                     "bundled": true,
                     "dev": true,
+                    "optional": true,
                     "requires": {
                         "balanced-match": "^1.0.0",
                         "concat-map": "0.0.1"
@@ -2023,17 +2026,20 @@
                 "code-point-at": {
                     "version": "1.1.0",
                     "bundled": true,
-                    "dev": true
+                    "dev": true,
+                    "optional": true
                 },
                 "concat-map": {
                     "version": "0.0.1",
                     "bundled": true,
-                    "dev": true
+                    "dev": true,
+                    "optional": true
                 },
                 "console-control-strings": {
                     "version": "1.1.0",
                     "bundled": true,
-                    "dev": true
+                    "dev": true,
+                    "optional": true
                 },
                 "core-util-is": {
                     "version": "1.0.2",
@@ -2150,7 +2156,8 @@
                 "inherits": {
                     "version": "2.0.4",
                     "bundled": true,
-                    "dev": true
+                    "dev": true,
+                    "optional": true
                 },
                 "ini": {
                     "version": "1.3.5",
@@ -2162,6 +2169,7 @@
                     "version": "1.0.0",
                     "bundled": true,
                     "dev": true,
+                    "optional": true,
                     "requires": {
                         "number-is-nan": "^1.0.0"
                     }
@@ -2176,6 +2184,7 @@
                     "version": "3.0.4",
                     "bundled": true,
                     "dev": true,
+                    "optional": true,
                     "requires": {
                         "brace-expansion": "^1.1.7"
                     }
@@ -2183,12 +2192,14 @@
                 "minimist": {
                     "version": "1.2.5",
                     "bundled": true,
-                    "dev": true
+                    "dev": true,
+                    "optional": true
                 },
                 "minipass": {
                     "version": "2.9.0",
                     "bundled": true,
                     "dev": true,
+                    "optional": true,
                     "requires": {
                         "safe-buffer": "^5.1.2",
                         "yallist": "^3.0.0"
@@ -2207,6 +2218,7 @@
                     "version": "0.5.3",
                     "bundled": true,
                     "dev": true,
+                    "optional": true,
                     "requires": {
                         "minimist": "^1.2.5"
                     }
@@ -2268,7 +2280,8 @@
                 "npm-normalize-package-bin": {
                     "version": "1.0.1",
                     "bundled": true,
-                    "dev": true
+                    "dev": true,
+                    "optional": true
                 },
                 "npm-packlist": {
                     "version": "1.4.8",
@@ -2296,7 +2309,8 @@
                 "number-is-nan": {
                     "version": "1.0.1",
                     "bundled": true,
-                    "dev": true
+                    "dev": true,
+                    "optional": true
                 },
                 "object-assign": {
                     "version": "4.1.1",
@@ -2308,6 +2322,7 @@
                     "version": "1.4.0",
                     "bundled": true,
                     "dev": true,
+                    "optional": true,
                     "requires": {
                         "wrappy": "1"
                     }
@@ -2385,7 +2400,8 @@
                 "safe-buffer": {
                     "version": "5.1.2",
                     "bundled": true,
-                    "dev": true
+                    "dev": true,
+                    "optional": true
                 },
                 "safer-buffer": {
                     "version": "2.1.2",
@@ -2421,6 +2437,7 @@
                     "version": "1.0.2",
                     "bundled": true,
                     "dev": true,
+                    "optional": true,
                     "requires": {
                         "code-point-at": "^1.0.0",
                         "is-fullwidth-code-point": "^1.0.0",
@@ -2440,6 +2457,7 @@
                     "version": "3.0.1",
                     "bundled": true,
                     "dev": true,
+                    "optional": true,
                     "requires": {
                         "ansi-regex": "^2.0.0"
                     }
@@ -2483,12 +2501,14 @@
                 "wrappy": {
                     "version": "1.0.2",
                     "bundled": true,
-                    "dev": true
+                    "dev": true,
+                    "optional": true
                 },
                 "yallist": {
                     "version": "3.1.1",
                     "bundled": true,
-                    "dev": true
+                    "dev": true,
+                    "optional": true
                 }
             }
         },
@@ -2611,9 +2631,9 @@
             "dev": true
         },
         "handlebars": {
-            "version": "4.7.6",
-            "resolved": "https://registry.npmjs.org/handlebars/-/handlebars-4.7.6.tgz",
-            "integrity": "sha512-1f2BACcBfiwAfStCKZNrUCgqNZkGsAT7UM3kkYtXuLo0KnaVfjKOyf7PRzB6++aK9STyT1Pd2ZCPe3EGOXleXA==",
+            "version": "4.7.7",
+            "resolved": "https://registry.npmjs.org/handlebars/-/handlebars-4.7.7.tgz",
+            "integrity": "sha512-aAcXm5OAfE/8IXkcZvCepKU3VzW1/39Fb5ZuqMtgI/hT8X2YgoMvBY5dLhq/cpOvw7Lk1nK/UF71aLG/ZnVYRA==",
             "requires": {
                 "minimist": "^1.2.5",
                 "neo-async": "^2.6.0",
@@ -5022,22 +5042,10 @@
             "integrity": "sha512-8Y75pvTYkLJW2hWQHXxoqRgV7qb9B+9vFEtidML+7koHUFapnVJAZ6cKs+Qjz5Aw3aZWHMC6u0wJE3At+nSGwA=="
         },
         "uglify-js": {
-            "version": "3.8.1",
-            "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.8.1.tgz",
-            "integrity": "sha512-W7KxyzeaQmZvUFbGj4+YFshhVrMBGSg2IbcYAjGWGvx8DHvJMclbTDMpffdxFUGPBHjIytk7KJUR/KUXstUGDw==",
-            "optional": true,
-            "requires": {
-                "commander": "~2.20.3",
-                "source-map": "~0.6.1"
-            },
-            "dependencies": {
-                "commander": {
-                    "version": "2.20.3",
-                    "resolved": "https://registry.npmjs.org/commander/-/commander-2.20.3.tgz",
-                    "integrity": "sha512-GpVkmM8vF2vQUkj2LvZmD35JxeJOLCwJ9cUkugyk2nuhbv3+mJvpLYYt+0+USMxE+oj+ey/lJEnhZw75x/OMcQ==",
-                    "optional": true
-                }
-            }
+            "version": "3.13.5",
+            "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.13.5.tgz",
+            "integrity": "sha512-xtB8yEqIkn7zmOyS2zUNBsYCBRhDkvlNxMMY2smuJ/qA8NCHeQvKCF3i9Z4k8FJH4+PJvZRtMrPynfZ75+CSZw==",
+            "optional": true
         },
         "union-value": {
             "version": "1.0.1",
diff --git a/package.json b/package.json
index ce9d985..23bfaa3 100644
--- a/package.json
+++ b/package.json
@@ -574,7 +574,7 @@
     "dependencies": {
         "fs-extra": "^7.0.1",
         "gray-matter": "^4.0.2",
-        "handlebars": "^4.4.3",
+        "handlebars": "^4.7.7",
         "he": "^1.2.0",
         "js-yaml": "^3.13.1",
         "markdown-it": "^9.1.0",