diff --git a/rover/Pipfile b/rover/Pipfile
index 2f1a742..d996756 100644
--- a/rover/Pipfile
+++ b/rover/Pipfile
@@ -6,6 +6,7 @@ verify_ssl = true
 [dev-packages]
 pytest = "*"
 pytest-cov = "*"
+pytest-mypy = "*"
 
 [packages]
 pydantic = "*"
diff --git a/rover/Pipfile.lock b/rover/Pipfile.lock
index 9966bc4..3c987e2 100644
--- a/rover/Pipfile.lock
+++ b/rover/Pipfile.lock
@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "afeb69259202b698c70d288232d6bd89a36b75720f9efeb8f0360d5f8a5217dd"
+            "sha256": "3f067406c56e7620ab6cfe0be6aab141312f05fd65b6a915fc6de2adef7ecd54"
         },
         "pipfile-spec": 6,
         "requires": {
@@ -88,6 +88,33 @@
             ],
             "version": "==7.2.0"
         },
+        "mypy": {
+            "hashes": [
+                "sha256:1521c186a3d200c399bd5573c828ea2db1362af7209b2adb1bb8532cea2fb36f",
+                "sha256:31a046ab040a84a0fc38bc93694876398e62bc9f35eca8ccbf6418b7297f4c00",
+                "sha256:3b1a411909c84b2ae9b8283b58b48541654b918e8513c20a400bb946aa9111ae",
+                "sha256:48c8bc99380575deb39f5d3400ebb6a8a1cb5cc669bbba4d3bb30f904e0a0e7d",
+                "sha256:540c9caa57a22d0d5d3c69047cc9dd0094d49782603eb03069821b41f9e970e9",
+                "sha256:672e418425d957e276c291930a3921b4a6413204f53fe7c37cad7bc57b9a3391",
+                "sha256:6ed3b9b3fdc7193ea7aca6f3c20549b377a56f28769783a8f27191903a54170f",
+                "sha256:9371290aa2cad5ad133e4cdc43892778efd13293406f7340b9ffe99d5ec7c1d9",
+                "sha256:ace6ac1d0f87d4072f05b5468a084a45b4eda970e4d26704f201e06d47ab2990",
+                "sha256:b428f883d2b3fe1d052c630642cc6afddd07d5cd7873da948644508be3b9d4a7",
+                "sha256:d5bf0e6ec8ba346a2cf35cb55bf4adfddbc6b6576fcc9e10863daa523e418dbb",
+                "sha256:d7574e283f83c08501607586b3167728c58e8442947e027d2d4c7dcd6d82f453",
+                "sha256:dc889c84241a857c263a2b1cd1121507db7d5b5f5e87e77147097230f374d10b",
+                "sha256:f4748697b349f373002656bf32fede706a0e713d67bfdcf04edf39b1f61d46eb"
+            ],
+            "markers": "python_version >= '3.8'",
+            "version": "==0.740"
+        },
+        "mypy-extensions": {
+            "hashes": [
+                "sha256:090fedd75945a69ae91ce1303b5824f428daf5a028d2f6ab8a299250a846f15d",
+                "sha256:2d82818f5bb3e369420cb3c4060a7970edba416647068eb4c5343488a6c604a8"
+            ],
+            "version": "==0.4.3"
+        },
         "packaging": {
             "hashes": [
                 "sha256:28b924174df7a2fa32c1953825ff29c61e2f5e082343165438812f00d3a7fc47",
@@ -118,11 +145,11 @@
         },
         "pytest": {
             "hashes": [
-                "sha256:15837d2880cb94821087bc07476892ea740696b20e90288fd6c19e44b435abdb",
-                "sha256:b6cf7ad9064049ee486586b3a0ddd70dc5136c40e1147e7d286efd77ba66c5eb"
+                "sha256:8e256fe71eb74e14a4d20a5987bb5e1488f0511ee800680aaedc62b9358714e8",
+                "sha256:ff0090819f669aaa0284d0f4aad1a6d9d67a6efdc6dd4eb4ac56b704f890a0d6"
             ],
             "index": "pypi",
-            "version": "==5.2.3"
+            "version": "==5.2.4"
         },
         "pytest-cov": {
             "hashes": [
@@ -132,6 +159,14 @@
             "index": "pypi",
             "version": "==2.8.1"
         },
+        "pytest-mypy": {
+            "hashes": [
+                "sha256:3b7b56912d55439d5f447cc609f91caac7f74f0f1c89f1379d04f06bac777c32",
+                "sha256:5a5338cecff17f005b181546a13e282761754b481225df37f33d37f86ac5b304"
+            ],
+            "index": "pypi",
+            "version": "==0.4.2"
+        },
         "six": {
             "hashes": [
                 "sha256:1f1b7d42e254082a9db6279deae68afb421ceba6158efa6131de7b3003ee93fd",
@@ -139,6 +174,39 @@
             ],
             "version": "==1.13.0"
         },
+        "typed-ast": {
+            "hashes": [
+                "sha256:1170afa46a3799e18b4c977777ce137bb53c7485379d9706af8a59f2ea1aa161",
+                "sha256:18511a0b3e7922276346bcb47e2ef9f38fb90fd31cb9223eed42c85d1312344e",
+                "sha256:262c247a82d005e43b5b7f69aff746370538e176131c32dda9cb0f324d27141e",
+                "sha256:2b907eb046d049bcd9892e3076c7a6456c93a25bebfe554e931620c90e6a25b0",
+                "sha256:354c16e5babd09f5cb0ee000d54cfa38401d8b8891eefa878ac772f827181a3c",
+                "sha256:48e5b1e71f25cfdef98b013263a88d7145879fbb2d5185f2a0c79fa7ebbeae47",
+                "sha256:4e0b70c6fc4d010f8107726af5fd37921b666f5b31d9331f0bd24ad9a088e631",
+                "sha256:630968c5cdee51a11c05a30453f8cd65e0cc1d2ad0d9192819df9978984529f4",
+                "sha256:66480f95b8167c9c5c5c87f32cf437d585937970f3fc24386f313a4c97b44e34",
+                "sha256:71211d26ffd12d63a83e079ff258ac9d56a1376a25bc80b1cdcdf601b855b90b",
+                "sha256:7954560051331d003b4e2b3eb822d9dd2e376fa4f6d98fee32f452f52dd6ebb2",
+                "sha256:838997f4310012cf2e1ad3803bce2f3402e9ffb71ded61b5ee22617b3a7f6b6e",
+                "sha256:95bd11af7eafc16e829af2d3df510cecfd4387f6453355188342c3e79a2ec87a",
+                "sha256:bc6c7d3fa1325a0c6613512a093bc2a2a15aeec350451cbdf9e1d4bffe3e3233",
+                "sha256:cc34a6f5b426748a507dd5d1de4c1978f2eb5626d51326e43280941206c209e1",
+                "sha256:d755f03c1e4a51e9b24d899561fec4ccaf51f210d52abdf8c07ee2849b212a36",
+                "sha256:d7c45933b1bdfaf9f36c579671fec15d25b06c8398f113dab64c18ed1adda01d",
+                "sha256:d896919306dd0aa22d0132f62a1b78d11aaf4c9fc5b3410d3c666b818191630a",
+                "sha256:fdc1c9bbf79510b76408840e009ed65958feba92a88833cdceecff93ae8fff66",
+                "sha256:ffde2fbfad571af120fcbfbbc61c72469e72f550d676c3342492a9dfdefb8f12"
+            ],
+            "version": "==1.4.0"
+        },
+        "typing-extensions": {
+            "hashes": [
+                "sha256:091ecc894d5e908ac75209f10d5b4f118fbdb2eb1ede6a63544054bb1edb41f2",
+                "sha256:910f4656f54de5993ad9304959ce9bb903f90aadc7c67a0bef07e678014e892d",
+                "sha256:cf8b63fedea4d89bab840ecbb93e75578af28f76f66c35889bd7065f5af88575"
+            ],
+            "version": "==3.7.4.1"
+        },
         "wcwidth": {
             "hashes": [
                 "sha256:3df37372226d6e63e1b1e1eda15c594bca98a22d33a23832a90998faa96bc65e",