diff --git a/package-lock.json b/package-lock.json
index 6bdc9de..ff4f8d5 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -3334,21 +3334,13 @@
 			}
 		},
 		"cfb": {
-			"version": "1.1.0",
-			"resolved": "https://registry.npmjs.org/cfb/-/cfb-1.1.0.tgz",
-			"integrity": "sha512-ZqfxNGWTMKhd0a/n6YKJLq8hWbd5kR3cA4kXwUj9vVEdHlwJ09werR8gN15Z7Y1FTXqdD6dE3GGCxv4uc28raA==",
+			"version": "1.2.0",
+			"resolved": "https://registry.npmjs.org/cfb/-/cfb-1.2.0.tgz",
+			"integrity": "sha512-sXMvHsKCICVR3Naq+J556K+ExBo9n50iKl6LGarlnvuA2035uMlGA/qVrc0wQtow5P1vJEw9UyrKLCbtIKz+TQ==",
 			"requires": {
 				"adler-32": "~1.2.0",
-				"commander": "^2.16.0",
 				"crc-32": "~1.2.0",
 				"printj": "~1.1.2"
-			},
-			"dependencies": {
-				"commander": {
-					"version": "2.18.0",
-					"resolved": "https://registry.npmjs.org/commander/-/commander-2.18.0.tgz",
-					"integrity": "sha512-6CYPa+JP2ftfRU2qkDK+UTVeQYosOg/2GbcjIcKPHfinyOLPVGXu/ovN86RP49Re5ndJK1N0kuiidFFuepc4ZQ=="
-				}
 			}
 		},
 		"chalk": {
@@ -5042,7 +5034,7 @@
 			"dependencies": {
 				"onetime": {
 					"version": "1.1.0",
-					"resolved": "http://registry.npmjs.org/onetime/-/onetime-1.1.0.tgz",
+					"resolved": "https://registry.npmjs.org/onetime/-/onetime-1.1.0.tgz",
 					"integrity": "sha1-ofeDj4MUxRbwXs78vEzP4EtO14k=",
 					"dev": true
 				}
@@ -6243,6 +6235,11 @@
 				"pend": "~1.2.0"
 			}
 		},
+		"fflate": {
+			"version": "0.3.11",
+			"resolved": "https://registry.npmjs.org/fflate/-/fflate-0.3.11.tgz",
+			"integrity": "sha512-Rr5QlUeGN1mbOHlaqcSYMKVpPbgLy0AWT/W0EHxA6NGI12yO1jpoui2zBBvU2G824ltM6Ut8BFgfHSBGfkmS0A=="
+		},
 		"figures": {
 			"version": "2.0.0",
 			"resolved": "https://registry.npmjs.org/figures/-/figures-2.0.0.tgz",
@@ -6550,7 +6547,8 @@
 				"ansi-regex": {
 					"version": "2.1.1",
 					"bundled": true,
-					"dev": true
+					"dev": true,
+					"optional": true
 				},
 				"aproba": {
 					"version": "1.2.0",
@@ -6571,12 +6569,14 @@
 				"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"
@@ -6591,17 +6591,20 @@
 				"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",
@@ -6718,7 +6721,8 @@
 				"inherits": {
 					"version": "2.0.3",
 					"bundled": true,
-					"dev": true
+					"dev": true,
+					"optional": true
 				},
 				"ini": {
 					"version": "1.3.5",
@@ -6730,6 +6734,7 @@
 					"version": "1.0.0",
 					"bundled": true,
 					"dev": true,
+					"optional": true,
 					"requires": {
 						"number-is-nan": "^1.0.0"
 					}
@@ -6744,6 +6749,7 @@
 					"version": "3.0.4",
 					"bundled": true,
 					"dev": true,
+					"optional": true,
 					"requires": {
 						"brace-expansion": "^1.1.7"
 					}
@@ -6751,12 +6757,14 @@
 				"minimist": {
 					"version": "0.0.8",
 					"bundled": true,
-					"dev": true
+					"dev": true,
+					"optional": true
 				},
 				"minipass": {
 					"version": "2.2.4",
 					"bundled": true,
 					"dev": true,
+					"optional": true,
 					"requires": {
 						"safe-buffer": "^5.1.1",
 						"yallist": "^3.0.0"
@@ -6775,6 +6783,7 @@
 					"version": "0.5.1",
 					"bundled": true,
 					"dev": true,
+					"optional": true,
 					"requires": {
 						"minimist": "0.0.8"
 					}
@@ -6855,7 +6864,8 @@
 				"number-is-nan": {
 					"version": "1.0.1",
 					"bundled": true,
-					"dev": true
+					"dev": true,
+					"optional": true
 				},
 				"object-assign": {
 					"version": "4.1.1",
@@ -6867,6 +6877,7 @@
 					"version": "1.4.0",
 					"bundled": true,
 					"dev": true,
+					"optional": true,
 					"requires": {
 						"wrappy": "1"
 					}
@@ -6952,7 +6963,8 @@
 				"safe-buffer": {
 					"version": "5.1.1",
 					"bundled": true,
-					"dev": true
+					"dev": true,
+					"optional": true
 				},
 				"safer-buffer": {
 					"version": "2.1.2",
@@ -6988,6 +7000,7 @@
 					"version": "1.0.2",
 					"bundled": true,
 					"dev": true,
+					"optional": true,
 					"requires": {
 						"code-point-at": "^1.0.0",
 						"is-fullwidth-code-point": "^1.0.0",
@@ -7007,6 +7020,7 @@
 					"version": "3.0.1",
 					"bundled": true,
 					"dev": true,
+					"optional": true,
 					"requires": {
 						"ansi-regex": "^2.0.0"
 					}
@@ -7050,12 +7064,14 @@
 				"wrappy": {
 					"version": "1.0.2",
 					"bundled": true,
-					"dev": true
+					"dev": true,
+					"optional": true
 				},
 				"yallist": {
 					"version": "3.0.2",
 					"bundled": true,
-					"dev": true
+					"dev": true,
+					"optional": true
 				}
 			}
 		},
@@ -13528,9 +13544,9 @@
 			}
 		},
 		"ssf": {
-			"version": "0.10.2",
-			"resolved": "https://registry.npmjs.org/ssf/-/ssf-0.10.2.tgz",
-			"integrity": "sha512-rDhAPm9WyIsY8eZEKyE8Qsotb3j/wBdvMWBUsOhJdfhKGLfQidRjiBUV0y/MkyCLiXQ38FG6LWW/VYUtqlIDZQ==",
+			"version": "0.11.2",
+			"resolved": "https://registry.npmjs.org/ssf/-/ssf-0.11.2.tgz",
+			"integrity": "sha512-+idbmIXoYET47hH+d7dfm2epdOMUDjqcB4648sTZ+t2JwoyBFL/insLfB/racrDmsKB3diwsDA696pZMieAC5g==",
 			"requires": {
 				"frac": "~1.1.2"
 			}
@@ -15717,6 +15733,16 @@
 			"integrity": "sha1-+OGqHuWlPsW/FR/6CXQqatdpeHY=",
 			"dev": true
 		},
+		"wmf": {
+			"version": "1.0.2",
+			"resolved": "https://registry.npmjs.org/wmf/-/wmf-1.0.2.tgz",
+			"integrity": "sha512-/p9K7bEh0Dj6WbXg4JG0xvLQmIadrner1bi45VMJTfnbVHsc7yIajZyoSoK60/dtVBs12Fm6WkUI5/3WAVsNMw=="
+		},
+		"word": {
+			"version": "0.3.0",
+			"resolved": "https://registry.npmjs.org/word/-/word-0.3.0.tgz",
+			"integrity": "sha512-OELeY0Q61OXpdUfTp+oweA/vtLVg5VDOXh+3he3PNzLGG/y0oylSOC1xRVj0+l4vQ3tj/bB1HVHv1ocXkQceFA=="
+		},
 		"wordwrap": {
 			"version": "1.0.0",
 			"resolved": "https://registry.npmjs.org/wordwrap/-/wordwrap-1.0.0.tgz",
@@ -16003,17 +16029,20 @@
 			}
 		},
 		"xlsx": {
-			"version": "0.14.0",
-			"resolved": "https://registry.npmjs.org/xlsx/-/xlsx-0.14.0.tgz",
-			"integrity": "sha512-1MDQ7XYRj6JqbXmgCN+ivL6Nr77NzyynM2Inekr5xfmVdsr628FK1nvy6d3T7Y40fbzCj4EMaica4i6YT5UfBA==",
+			"version": "0.17.0",
+			"resolved": "https://registry.npmjs.org/xlsx/-/xlsx-0.17.0.tgz",
+			"integrity": "sha512-bZ36FSACiAyjoldey1+7it50PMlDp1pcAJrZKcVZHzKd8BC/z6TQ/QAN8onuqcepifqSznR6uKnjPhaGt6ig9A==",
 			"requires": {
 				"adler-32": "~1.2.0",
-				"cfb": "^1.1.0",
+				"cfb": "^1.1.4",
 				"codepage": "~1.14.0",
 				"commander": "~2.17.1",
 				"crc-32": "~1.2.0",
 				"exit-on-epipe": "~1.0.1",
-				"ssf": "~0.10.2"
+				"fflate": "^0.3.8",
+				"ssf": "~0.11.2",
+				"wmf": "~1.0.1",
+				"word": "~0.3.0"
 			},
 			"dependencies": {
 				"commander": {
diff --git a/package.json b/package.json
index 2e75971..d8e3429 100644
--- a/package.json
+++ b/package.json
@@ -119,6 +119,6 @@
 		"vec2-copy": "^1.0.0",
 		"webm-writer": "^0.2.1",
 		"worker-loader": "^2.0.0",
-		"xlsx": "^0.14.0"
+		"xlsx": "^0.17.0"
 	}
 }