diff --git a/slides/package-lock.json b/slides/package-lock.json
index a7806a2..2c27609 100644
--- a/slides/package-lock.json
+++ b/slides/package-lock.json
@@ -899,14 +899,12 @@
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           "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.0.tgz",
-          "integrity": "sha1-ibTRmasr7kneFk6gK4nORi1xt2c=",
-          "dev": true
+          "integrity": "sha1-ibTRmasr7kneFk6gK4nORi1xt2c="
         },
         "brace-expansion": {
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           "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.11.tgz",
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-          "dev": true,
           "requires": {
             "balanced-match": "^1.0.0",
             "concat-map": "0.0.1"
@@ -925,15 +923,6 @@
             "once": "^1.3.0",
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           }
-        },
-        "minimatch": {
-          "version": "3.0.4",
-          "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.0.4.tgz",
-          "integrity": "sha512-yJHVQEhyqPLUTgt9B83PXu6W3rx4MvvHvSUvToogpwoGDOUQ+yDrR0HRot+yOCdCO7u4hX3pWft6kWBBcqh0UA==",
-          "dev": true,
-          "requires": {
-            "brace-expansion": "^1.1.7"
-          }
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@@ -1038,8 +1027,7 @@
     "concat-map": {
       "version": "0.0.1",
       "resolved": "https://registry.npmjs.org/concat-map/-/concat-map-0.0.1.tgz",
-      "integrity": "sha1-2Klr13/Wjfd5OnMDajug1UBdR3s=",
-      "dev": true
+      "integrity": "sha1-2Klr13/Wjfd5OnMDajug1UBdR3s="
     },
     "concat-stream": {
       "version": "1.6.0",
@@ -2525,17 +2513,6 @@
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             "once": "^1.3.0",
             "path-is-absolute": "^1.0.0"
-          },
-          "dependencies": {
-            "minimatch": {
-              "version": "3.0.4",
-              "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.0.4.tgz",
-              "integrity": "sha512-yJHVQEhyqPLUTgt9B83PXu6W3rx4MvvHvSUvToogpwoGDOUQ+yDrR0HRot+yOCdCO7u4hX3pWft6kWBBcqh0UA==",
-              "dev": true,
-              "requires": {
-                "brace-expansion": "^1.1.7"
-              }
-            }
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@@ -3989,12 +3966,12 @@
       "dev": true
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-      "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.0.2.tgz",
-      "integrity": "sha1-DzmKcwDqRB6cNIyD2Yq4ydv5xAo=",
+      "version": "3.0.8",
+      "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.0.8.tgz",
+      "integrity": "sha512-6FsRAQsxQ61mw+qP1ZzbL9Bc78x2p5OqNgNpnoAFLTrX8n5Kxph0CsnhmKKNXTWjXqU5L0pGPR7hYk+XWZr60Q==",
       "dev": true,
       "requires": {
-        "brace-expansion": "^1.0.0"
+        "brace-expansion": "^1.1.7"
       }
     },
     "minimist": {
@@ -5488,14 +5465,12 @@
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           "version": "1.0.0",
           "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.0.tgz",
-          "integrity": "sha1-ibTRmasr7kneFk6gK4nORi1xt2c=",
-          "dev": true
+          "integrity": "sha1-ibTRmasr7kneFk6gK4nORi1xt2c="
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         "brace-expansion": {
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           "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.11.tgz",
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-          "dev": true,
           "requires": {
             "balanced-match": "^1.0.0",
             "concat-map": "0.0.1"
@@ -5514,15 +5489,6 @@
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-        },
-        "minimatch": {
-          "version": "3.0.4",
-          "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.0.4.tgz",
-          "integrity": "sha512-yJHVQEhyqPLUTgt9B83PXu6W3rx4MvvHvSUvToogpwoGDOUQ+yDrR0HRot+yOCdCO7u4hX3pWft6kWBBcqh0UA==",
-          "dev": true,
-          "requires": {
-            "brace-expansion": "^1.1.7"
-          }
         }
       }
     },