diff --git a/Pipfile b/Pipfile
index 4d3f8d6..e4a34be 100644
--- a/Pipfile
+++ b/Pipfile
@@ -6,7 +6,7 @@ name = "pypi"
 [packages]
 pytimeparse = "*"
 "ruamel.yaml" = "*"
-toml = "*"
+toml = "==0.10.0"
 python-dateutil = "*"
 py-range-parse = ">=1.0.5"
 
diff --git a/Pipfile.lock b/Pipfile.lock
index 451a922..bd95735 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "7c49c793ba23ee448d5f0db61647a0ace0c156ed9f4fb230b197e1ba3233902a"
+            "sha256": "1376cebdb329fd70bdd7378b77f36af99f108f00123da3502706bfdb9657ecf0"
         },
         "pipfile-spec": 6,
         "requires": {
@@ -69,11 +69,13 @@
                 "sha256:a873e4d4954f865dcb60bdc4914af7eaae48fb56b60ed6daa1d6251c72f5337c",
                 "sha256:ab845f1f51f7eb750a78937be9f79baea4a42c7960f5a94dde34e69f3cce1988",
                 "sha256:b1e981fe1aff1fd11627f531524826a4dcc1f26c726235a52fcb62ded27d150f",
+                "sha256:b4b0d31f2052b3f9f9b5327024dc629a253a83d8649d4734ca7f35b60ec3e9e5",
+                "sha256:c6ac7e45367b1317e56f1461719c853fd6825226f45b835df7436bb04031fd8a",
                 "sha256:daf21aa33ee9b351f66deed30a3d450ab55c14242cfdfcd377798e2c0d25c9f1",
                 "sha256:e9f7d1d8c26a6a12c23421061f9022bb62704e38211fe375c645485f38df34a2",
                 "sha256:f6061a31880c1ed6b6ce341215336e2f3d0c1deccd84957b6fa8ca474b41e89f"
             ],
-            "markers": "platform_python_implementation == 'CPython' and python_version < '3.9'",
+            "markers": "python_version < '3.9' and platform_python_implementation == 'CPython'",
             "version": "==0.2.2"
         },
         "six": {
@@ -81,12 +83,14 @@
                 "sha256:30639c035cdb23534cd4aa2dd52c3bf48f06e5f4a941509c8bafd8ce11080259",
                 "sha256:8b74bedcbbbaca38ff6d7491d76f2b06b3592611af620f8426e82dddb04a5ced"
             ],
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
             "version": "==1.15.0"
         },
         "toml": {
             "hashes": [
                 "sha256:229f81c57791a41d65e399fc06bf0848bab550a9dfd5ed66df18ce5f05e73d5c",
-                "sha256:235682dd292d5899d361a811df37e04a8828a5b1da3115886b73cf81ebc9100e"
+                "sha256:235682dd292d5899d361a811df37e04a8828a5b1da3115886b73cf81ebc9100e",
+                "sha256:f1db651f9657708513243e61e6cc67d101a39bad662eaa9b5546f789338e07a3"
             ],
             "index": "pypi",
             "version": "==0.10.0"
@@ -98,20 +102,22 @@
                 "sha256:26b54ddbbb9ee1d34d5d3668dd37d6cf74990ab23c828c2888dccdceee395594",
                 "sha256:fce7fc47dfc976152e82d53ff92fa0407700c21acd20886a13777a0d20e655dc"
             ],
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
             "version": "==20.2.0"
         },
         "iniconfig": {
             "hashes": [
-                "sha256:80cf40c597eb564e86346103f609d74efce0f6b4d4f30ec8ce9e2c26411ba437",
-                "sha256:e5f92f89355a67de0595932a6c6c02ab4afddc6fcdc0bfc5becd0d60884d3f69"
+                "sha256:011e24c64b7f47f6ebd835bb12a743f2fbe9a26d4cecaa7f53bc4f35ee9da8b3",
+                "sha256:bc3af051d7d14b2ee5ef9969666def0cd1a000e121eaea580d4a313df4b37f32"
             ],
-            "version": "==1.0.1"
+            "version": "==1.1.1"
         },
         "packaging": {
             "hashes": [
                 "sha256:4357f74f47b9c12db93624a82154e9b120fa8293699949152b22065d556079f8",
                 "sha256:998416ba6962ae7fbd6596850b80e17859a5753ba17c32284f67bfff33784181"
             ],
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
             "version": "==20.4"
         },
         "pluggy": {
@@ -119,6 +125,7 @@
                 "sha256:15b2acde666561e1298d71b523007ed7364de07029219b604cf808bfa1c765b0",
                 "sha256:966c145cd83c96502c3c3868f50408687b38434af77734af1e9ca461a4081d2d"
             ],
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
             "version": "==0.13.1"
         },
         "py": {
@@ -126,6 +133,7 @@
                 "sha256:366389d1db726cd2fcfc79732e75410e5fe4d31db13692115529d34069a043c2",
                 "sha256:9ca6883ce56b4e8da7e79ac18787889fa5206c79dcc67fb065376cd2fe03f342"
             ],
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
             "version": "==1.9.0"
         },
         "pyparsing": {
@@ -133,6 +141,7 @@
                 "sha256:c203ec8783bf771a155b207279b9bccb8dea02d8f0c9e5f8ead507bc3246ecc1",
                 "sha256:ef9d7589ef3c200abe66653d3f1ab1033c3c419ae9b9bdb1240a85b024efc88b"
             ],
+            "markers": "python_version >= '2.6' and python_version not in '3.0, 3.1, 3.2, 3.3'",
             "version": "==2.4.7"
         },
         "pytest": {
@@ -148,12 +157,14 @@
                 "sha256:30639c035cdb23534cd4aa2dd52c3bf48f06e5f4a941509c8bafd8ce11080259",
                 "sha256:8b74bedcbbbaca38ff6d7491d76f2b06b3592611af620f8426e82dddb04a5ced"
             ],
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
             "version": "==1.15.0"
         },
         "toml": {
             "hashes": [
                 "sha256:229f81c57791a41d65e399fc06bf0848bab550a9dfd5ed66df18ce5f05e73d5c",
-                "sha256:235682dd292d5899d361a811df37e04a8828a5b1da3115886b73cf81ebc9100e"
+                "sha256:235682dd292d5899d361a811df37e04a8828a5b1da3115886b73cf81ebc9100e",
+                "sha256:f1db651f9657708513243e61e6cc67d101a39bad662eaa9b5546f789338e07a3"
             ],
             "index": "pypi",
             "version": "==0.10.0"