diff --git a/plugins/admin/themes/grav/package-lock.json b/plugins/admin/themes/grav/package-lock.json
index 5104e54..436114a 100644
--- a/plugins/admin/themes/grav/package-lock.json
+++ b/plugins/admin/themes/grav/package-lock.json
@@ -19,7 +19,7 @@
         "eventemitter3": "^4.0.7",
         "events": "^3.3.0",
         "exif-js": "^2.3.0",
-        "immutable": "^4.0.0",
+        "immutable": "^4.3.8",
         "immutablediff": "^0.4.4",
         "js-yaml": "^4.1.1",
         "mout": "^1.2.3",
@@ -3460,9 +3460,9 @@
       }
     },
     "node_modules/immutable": {
-      "version": "4.3.7",
-      "resolved": "https://registry.npmjs.org/immutable/-/immutable-4.3.7.tgz",
-      "integrity": "sha512-1hqclzwYwjRDFLjcFxOM5AYkkG0rpFPpr1RLPMEuGczoS7YA8gLhy8SWXYRAA/XwfEHpfo3cw5JGioS32fnMRw=="
+      "version": "4.3.8",
+      "resolved": "https://registry.npmjs.org/immutable/-/immutable-4.3.8.tgz",
+      "integrity": "sha512-d/Ld9aLbKpNwyl0KiM2CT1WYvkitQ1TSvmRtkcV8FKStiDoA7Slzgjmb/1G2yhKM1p0XeNOieaTbFZmU1d3Xuw=="
     },
     "node_modules/immutablediff": {
       "version": "0.4.4",
@@ -3473,9 +3473,9 @@
       }
     },
     "node_modules/immutablediff/node_modules/immutable": {
-      "version": "3.8.2",
-      "resolved": "https://registry.npmjs.org/immutable/-/immutable-3.8.2.tgz",
-      "integrity": "sha512-15gZoQ38eYjEjxkorfbcgBKBL6R7T459OuK+CpcWt7O3KF4uPCx2tD0uFETlUDIyo+1789crbMhTvQBSR5yBMg==",
+      "version": "3.8.3",
+      "resolved": "https://registry.npmjs.org/immutable/-/immutable-3.8.3.tgz",
+      "integrity": "sha512-AUY/VyX0E5XlibOmWt10uabJzam1zlYjwiEgQSDc5+UIkFNaF9WM0JxXKaNMGf+F/ffUF+7kRKXM9A7C0xXqMg==",
       "engines": {
         "node": ">=0.10.0"
       }
@@ -3512,31 +3512,6 @@
         "node": ">=8"
       }
     },
-    "node_modules/import-local/node_modules/find-up": {
-      "version": "4.1.0",
-      "resolved": "https://registry.npmjs.org/find-up/-/find-up-4.1.0.tgz",
-      "integrity": "sha512-PpOwAdQ/YlXQ2vj8a3h8IipDuYRi3wceVQQGYWxNINccq40Anw7BlsEXCMbt1Zt+OLA6Fq9suIpIWD0OsnISlw==",
-      "dev": true,
-      "dependencies": {
-        "locate-path": "^5.0.0",
-        "path-exists": "^4.0.0"
-      },
-      "engines": {
-        "node": ">=8"
-      }
-    },
-    "node_modules/import-local/node_modules/pkg-dir": {
-      "version": "4.2.0",
-      "resolved": "https://registry.npmjs.org/pkg-dir/-/pkg-dir-4.2.0.tgz",
-      "integrity": "sha512-HRDzbaKjC+AOWVXxAU/x54COGeIv9eb+6CkDSQoNTt4XyWoIJvuPsXizxu/Fr23EiekbtZwmh1IcIG/l/a10GQ==",
-      "dev": true,
-      "dependencies": {
-        "find-up": "^4.0.0"
-      },
-      "engines": {
-        "node": ">=8"
-      }
-    },
     "node_modules/imports-loader": {
       "version": "3.1.1",
       "resolved": "https://registry.npmjs.org/imports-loader/-/imports-loader-3.1.1.tgz",
@@ -7677,9 +7652,9 @@
       "dev": true
     },
     "immutable": {
-      "version": "4.3.7",
-      "resolved": "https://registry.npmjs.org/immutable/-/immutable-4.3.7.tgz",
-      "integrity": "sha512-1hqclzwYwjRDFLjcFxOM5AYkkG0rpFPpr1RLPMEuGczoS7YA8gLhy8SWXYRAA/XwfEHpfo3cw5JGioS32fnMRw=="
+      "version": "4.3.8",
+      "resolved": "https://registry.npmjs.org/immutable/-/immutable-4.3.8.tgz",
+      "integrity": "sha512-d/Ld9aLbKpNwyl0KiM2CT1WYvkitQ1TSvmRtkcV8FKStiDoA7Slzgjmb/1G2yhKM1p0XeNOieaTbFZmU1d3Xuw=="
     },
     "immutablediff": {
       "version": "0.4.4",
@@ -7690,9 +7665,9 @@
       },
       "dependencies": {
         "immutable": {
-          "version": "3.8.2",
-          "resolved": "https://registry.npmjs.org/immutable/-/immutable-3.8.2.tgz",
-          "integrity": "sha512-15gZoQ38eYjEjxkorfbcgBKBL6R7T459OuK+CpcWt7O3KF4uPCx2tD0uFETlUDIyo+1789crbMhTvQBSR5yBMg=="
+          "version": "3.8.3",
+          "resolved": "https://registry.npmjs.org/immutable/-/immutable-3.8.3.tgz",
+          "integrity": "sha512-AUY/VyX0E5XlibOmWt10uabJzam1zlYjwiEgQSDc5+UIkFNaF9WM0JxXKaNMGf+F/ffUF+7kRKXM9A7C0xXqMg=="
         }
       }
     },
@@ -7714,27 +7689,6 @@
       "requires": {
         "pkg-dir": "^4.2.0",
         "resolve-cwd": "^3.0.0"
-      },
-      "dependencies": {
-        "find-up": {
-          "version": "4.1.0",
-          "resolved": "https://registry.npmjs.org/find-up/-/find-up-4.1.0.tgz",
-          "integrity": "sha512-PpOwAdQ/YlXQ2vj8a3h8IipDuYRi3wceVQQGYWxNINccq40Anw7BlsEXCMbt1Zt+OLA6Fq9suIpIWD0OsnISlw==",
-          "dev": true,
-          "requires": {
-            "locate-path": "^5.0.0",
-            "path-exists": "^4.0.0"
-          }
-        },
-        "pkg-dir": {
-          "version": "4.2.0",
-          "resolved": "https://registry.npmjs.org/pkg-dir/-/pkg-dir-4.2.0.tgz",
-          "integrity": "sha512-HRDzbaKjC+AOWVXxAU/x54COGeIv9eb+6CkDSQoNTt4XyWoIJvuPsXizxu/Fr23EiekbtZwmh1IcIG/l/a10GQ==",
-          "dev": true,
-          "requires": {
-            "find-up": "^4.0.0"
-          }
-        }
       }
     },
     "imports-loader": {
diff --git a/plugins/admin/themes/grav/package.json b/plugins/admin/themes/grav/package.json
index 5ed2709..f20c3b8 100644
--- a/plugins/admin/themes/grav/package.json
+++ b/plugins/admin/themes/grav/package.json
@@ -21,7 +21,7 @@
     "eventemitter3": "^4.0.7",
     "events": "^3.3.0",
     "exif-js": "^2.3.0",
-    "immutable": "^4.0.0",
+    "immutable": "^4.3.8",
     "immutablediff": "^0.4.4",
     "js-yaml": "^4.1.1",
     "mout": "^1.2.3",