diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2c82c203..d8a92eb5 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -7,15 +7,18 @@ jobs:
     name: Run tests
     strategy:
       matrix:
-        os: [ubuntu-latest, macos-latest]
-        python-version: [3.6]
-        poetry-version: [1.1.4]
+        os: [ubuntu-20.04, macos-latest]
+        python-version: [3.6, 3.11]
+        exclude:
+          - os: ubuntu-20.04
+            python-version: "3.6"
+        poetry-version: [1.1.5]
     runs-on: ${{ matrix.os }}
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
       - name: Set up Python
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v4
         with:
           python-version: ${{ matrix.python-version }}
       - name: Run image
diff --git a/poetry.lock b/poetry.lock
index e77f4604..95012a06 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -258,7 +258,7 @@ python-versions = "*"
 
 [[package]]
 name = "mypy"
-version = "0.800"
+version = "0.900"
 description = "Optional static typing for Python"
 category = "dev"
 optional = false
@@ -266,11 +266,13 @@ python-versions = ">=3.5"
 
 [package.dependencies]
 mypy-extensions = ">=0.4.3,<0.5.0"
-typed-ast = ">=1.4.0,<1.5.0"
+toml = "*"
+typed-ast = {version = ">=1.4.0,<1.5.0", markers = "python_version < \"3.8\""}
 typing-extensions = ">=3.7.4"
 
 [package.extras]
 dmypy = ["psutil (>=4.0)"]
+python2 = ["typed-ast (>=1.4.0,<1.5.0)"]
 
 [[package]]
 name = "mypy-extensions"
@@ -469,7 +471,7 @@ testing = ["pytest (>=3.5,!=3.7.3)", "pytest-checkdocs (>=1.2.3)", "pytest-flake
 [metadata]
 lock-version = "1.1"
 python-versions = "^3.6"
-content-hash = "82aeaac8ba145e13bfaca684ffd3f082a8ec0baade4e1f55cfb0dc115574d69a"
+content-hash = "2c10d2282c6e5d8372b77e5f3f7f77479229ea42d4d3d6a9efed9e84e730567d"
 
 [metadata.files]
 appdirs = [
@@ -512,6 +514,7 @@ flake8 = [
 ]
 flake8-black = [
     {file = "flake8-black-0.2.1.tar.gz", hash = "sha256:f26651bc10db786c03f4093414f7c9ea982ed8a244cec323c984feeffdf4c118"},
+    {file = "flake8_black-0.2.1-py3-none-any.whl", hash = "sha256:941514149cb8b489cb17a4bb1cf18d84375db3b34381bb018de83509437931a0"},
 ]
 flake8-bugbear = [
     {file = "flake8-bugbear-20.11.1.tar.gz", hash = "sha256:528020129fea2dea33a466b9d64ab650aa3e5f9ffc788b70ea4bc6cf18283538"},
@@ -577,28 +580,29 @@ mccabe = [
     {file = "mccabe-0.6.1.tar.gz", hash = "sha256:dd8d182285a0fe56bace7f45b5e7d1a6ebcbf524e8f3bd87eb0f125271b8831f"},
 ]
 mypy = [
-    {file = "mypy-0.800-cp35-cp35m-macosx_10_9_x86_64.whl", hash = "sha256:e1c84c65ff6d69fb42958ece5b1255394714e0aac4df5ffe151bc4fe19c7600a"},
-    {file = "mypy-0.800-cp35-cp35m-manylinux1_x86_64.whl", hash = "sha256:947126195bfe4709c360e89b40114c6746ae248f04d379dca6f6ab677aa07641"},
-    {file = "mypy-0.800-cp35-cp35m-manylinux2010_x86_64.whl", hash = "sha256:b95068a3ce3b50332c40e31a955653be245666a4bc7819d3c8898aa9fb9ea496"},
-    {file = "mypy-0.800-cp35-cp35m-win_amd64.whl", hash = "sha256:ca7ad5aed210841f1e77f5f2f7d725b62c78fa77519312042c719ed2ab937876"},
-    {file = "mypy-0.800-cp36-cp36m-macosx_10_9_x86_64.whl", hash = "sha256:e32b7b282c4ed4e378bba8b8dfa08e1cfa6f6574067ef22f86bee5b1039de0c9"},
-    {file = "mypy-0.800-cp36-cp36m-manylinux1_x86_64.whl", hash = "sha256:e497a544391f733eca922fdcb326d19e894789cd4ff61d48b4b195776476c5cf"},
-    {file = "mypy-0.800-cp36-cp36m-manylinux2010_x86_64.whl", hash = "sha256:5615785d3e2f4f03ab7697983d82c4b98af5c321614f51b8f1034eb9ebe48363"},
-    {file = "mypy-0.800-cp36-cp36m-win_amd64.whl", hash = "sha256:2b216eacca0ec0ee124af9429bfd858d5619a0725ee5f88057e6e076f9eb1a7b"},
-    {file = "mypy-0.800-cp37-cp37m-macosx_10_9_x86_64.whl", hash = "sha256:e3b8432f8df19e3c11235c4563a7250666dc9aa7cdda58d21b4177b20256ca9f"},
-    {file = "mypy-0.800-cp37-cp37m-manylinux1_x86_64.whl", hash = "sha256:d16c54b0dffb861dc6318a8730952265876d90c5101085a4bc56913e8521ba19"},
-    {file = "mypy-0.800-cp37-cp37m-manylinux2010_x86_64.whl", hash = "sha256:0d2fc8beb99cd88f2d7e20d69131353053fbecea17904ee6f0348759302c52fa"},
-    {file = "mypy-0.800-cp37-cp37m-win_amd64.whl", hash = "sha256:aa9d4901f3ee1a986a3a79fe079ffbf7f999478c281376f48faa31daaa814e86"},
-    {file = "mypy-0.800-cp38-cp38-macosx_10_9_x86_64.whl", hash = "sha256:319ee5c248a7c3f94477f92a729b7ab06bf8a6d04447ef3aa8c9ba2aa47c6dcf"},
-    {file = "mypy-0.800-cp38-cp38-manylinux1_x86_64.whl", hash = "sha256:74f5aa50d0866bc6fb8e213441c41e466c86678c800700b87b012ed11c0a13e0"},
-    {file = "mypy-0.800-cp38-cp38-manylinux2010_x86_64.whl", hash = "sha256:a301da58d566aca05f8f449403c710c50a9860782148332322decf73a603280b"},
-    {file = "mypy-0.800-cp38-cp38-win_amd64.whl", hash = "sha256:b9150db14a48a8fa114189bfe49baccdff89da8c6639c2717750c7ae62316738"},
-    {file = "mypy-0.800-cp39-cp39-macosx_10_9_x86_64.whl", hash = "sha256:f5fdf935a46aa20aa937f2478480ebf4be9186e98e49cc3843af9a5795a49a25"},
-    {file = "mypy-0.800-cp39-cp39-manylinux1_x86_64.whl", hash = "sha256:6f8425fecd2ba6007e526209bb985ce7f49ed0d2ac1cc1a44f243380a06a84fb"},
-    {file = "mypy-0.800-cp39-cp39-manylinux2010_x86_64.whl", hash = "sha256:5ff616787122774f510caeb7b980542a7cc2222be3f00837a304ea85cd56e488"},
-    {file = "mypy-0.800-cp39-cp39-win_amd64.whl", hash = "sha256:90b6f46dc2181d74f80617deca611925d7e63007cf416397358aa42efb593e07"},
-    {file = "mypy-0.800-py3-none-any.whl", hash = "sha256:3e0c159a7853e3521e3f582adb1f3eac66d0b0639d434278e2867af3a8c62653"},
-    {file = "mypy-0.800.tar.gz", hash = "sha256:e0202e37756ed09daf4b0ba64ad2c245d357659e014c3f51d8cd0681ba66940a"},
+    {file = "mypy-0.900-cp35-cp35m-macosx_10_9_x86_64.whl", hash = "sha256:07efc88486877d595cca7f7d237e6d04d1ba6f01dc8f74a81b716270f6770968"},
+    {file = "mypy-0.900-cp35-cp35m-manylinux1_x86_64.whl", hash = "sha256:80c96f97de241ee7383cfe646bfc51113a48089d50c33275af0033b98dee3b1c"},
+    {file = "mypy-0.900-cp35-cp35m-manylinux2010_x86_64.whl", hash = "sha256:0e703c0afe36511746513d168e1d2a52f88e2a324169b87a6b6a58901c3afcf3"},
+    {file = "mypy-0.900-cp35-cp35m-win_amd64.whl", hash = "sha256:23100137579d718cd6f05d572574ca00701fa2bfc7b645ebc5130d93e2af3bee"},
+    {file = "mypy-0.900-cp36-cp36m-macosx_10_9_x86_64.whl", hash = "sha256:468b3918b26f81d003e8e9b788c62160acb885487cf4d83a3f22ba9061cb49e2"},
+    {file = "mypy-0.900-cp36-cp36m-manylinux1_x86_64.whl", hash = "sha256:d90c296cd5cdef86e720a0994d41d72c06d6ff8ab8fc6aaaf0ee6c675835d596"},
+    {file = "mypy-0.900-cp36-cp36m-manylinux2010_x86_64.whl", hash = "sha256:42d66b3d716fe5e22b32915d1fa59e7183a0e02f00b337b834a596c1f5e37f01"},
+    {file = "mypy-0.900-cp36-cp36m-win_amd64.whl", hash = "sha256:a354613b4cc6e0e9f1ba7811083cd8f63ccee97333d1df7594c438399c83249a"},
+    {file = "mypy-0.900-cp37-cp37m-macosx_10_9_x86_64.whl", hash = "sha256:22f97de97373dd6180c4abee90b20c60780820284d2cdc5579927c0e37854cf6"},
+    {file = "mypy-0.900-cp37-cp37m-manylinux1_x86_64.whl", hash = "sha256:e75f0c97cfe8d86da89b22ad7039f5af44b8f6b0af12bd2877791a92b4b9e987"},
+    {file = "mypy-0.900-cp37-cp37m-manylinux2010_x86_64.whl", hash = "sha256:41f082275a20e3eea48364915f7bc6ec5338be89db1ed8b2e570b9e3d12d4dc6"},
+    {file = "mypy-0.900-cp37-cp37m-win_amd64.whl", hash = "sha256:83adbf3f8c5023f4276557fbcb3b6306f9dce01783e8ac5f8c11fcb29f62e899"},
+    {file = "mypy-0.900-cp38-cp38-macosx_10_9_x86_64.whl", hash = "sha256:2220f97804890f3e6da3f849f81f3e56e367a2027a51dde5ce3b7ebb2ad3342b"},
+    {file = "mypy-0.900-cp38-cp38-manylinux1_x86_64.whl", hash = "sha256:3f1d0601842c6b4248923963fc59a6fdd05dee0fddc8b07e30c508b6a269e68f"},
+    {file = "mypy-0.900-cp38-cp38-manylinux2010_x86_64.whl", hash = "sha256:c2f87505840c0f3557ea4aa5893f2459daf6516adac30b15d1d5cf567e0d7939"},
+    {file = "mypy-0.900-cp38-cp38-win_amd64.whl", hash = "sha256:a0461da00ed23d17fcb04940db2b72f920435cf79be943564b717e378ffeeddf"},
+    {file = "mypy-0.900-cp39-cp39-macosx_10_9_x86_64.whl", hash = "sha256:9560b1f572cdaab43fdcdad5ef45138e89dc191729329db1b8ce5636f4cdeacf"},
+    {file = "mypy-0.900-cp39-cp39-macosx_11_0_arm64.whl", hash = "sha256:d794f10b9f28d21af7a93054e217872aaf9b9ad1bd354ae5e1a3a923d734b73f"},
+    {file = "mypy-0.900-cp39-cp39-manylinux1_x86_64.whl", hash = "sha256:68fd1c1c1fc9b405f0ed6cfcd00541de7e83f41007419a125c20fa5db3881cb1"},
+    {file = "mypy-0.900-cp39-cp39-manylinux2010_x86_64.whl", hash = "sha256:7eb1e5820deb71e313aa2b5a5220803a9b2e3efa43475537a71d0ffed7495e1e"},
+    {file = "mypy-0.900-cp39-cp39-win_amd64.whl", hash = "sha256:6598e39cd5aa1a09d454ad39687b89cf3f3fd7cf1f9c3f81a1a2775f6f6b16f8"},
+    {file = "mypy-0.900-py3-none-any.whl", hash = "sha256:3be7c68fab8b318a2d5bcfac8e028dc77b9096ea1ec5594e9866c8fb57ae0296"},
+    {file = "mypy-0.900.tar.gz", hash = "sha256:65c78570329c54fb40f956f7645e2359af5da9d8c54baa44f461cdc7f4984108"},
 ]
 mypy-extensions = [
     {file = "mypy_extensions-0.4.3-py2.py3-none-any.whl", hash = "sha256:090fedd75945a69ae91ce1303b5824f428daf5a028d2f6ab8a299250a846f15d"},
diff --git a/pyproject.toml b/pyproject.toml
index fa4c4934..3bb3ff85 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -40,7 +40,7 @@ flake8-eradicate = "^1.0.0"
 flake8-isort = "^4.0.0"
 flake8-use-fstring = "^1.1"
 isort = "^5.7.0"
-mypy = "^0.800"
+mypy = "0.900"
 pylint = "^2.6.2"
 pytest = "^6.2.2"
 vulture = "^2.3"
diff --git a/src/pathpicker/output.py b/src/pathpicker/output.py
index ca04cb8a..b2117884 100644
--- a/src/pathpicker/output.py
+++ b/src/pathpicker/output.py
@@ -110,7 +110,10 @@ def join_files_into_command(files_and_line_numbers: List[Tuple[str, int]]) -> st
                 and line_num != 0
             ):
                 cmd += f" +{line_num} '{file_path}'"
-            elif editor_without_args in ["subl", "sublime", "atom", "hx"] and line_num != 0:
+            elif (
+                editor_without_args in ["subl", "sublime", "atom", "hx"]
+                and line_num != 0
+            ):
                 cmd += f" '{file_path}:{line_num}'"
             elif line_num != 0 and os.environ.get("FPP_LINENUM_SEP"):
                 cmd += f" '{file_path}{os.environ.get('FPP_LINENUM_SEP')}{line_num}'"