diff --git a/.github/assign-reviewers/dev-requirements.txt b/.github/assign-reviewers/dev-requirements.txt
index 32236b7dcaee..bd71e894a77d 100644
--- a/.github/assign-reviewers/dev-requirements.txt
+++ b/.github/assign-reviewers/dev-requirements.txt
@@ -4,6 +4,10 @@
 #
 #    pip-compile dev-requirements.in
 #
+anyio==3.6.1
+    # via
+    #   -r requirements.txt
+    #   httpcore
 appdirs==1.4.4
     # via black
 async-generator==1.10
@@ -20,6 +24,7 @@ black==20.8b1
 certifi==2020.11.8
     # via
     #   -r requirements.txt
+    #   httpcore
     #   httpx
 cffi==1.14.4
     # via
@@ -39,26 +44,27 @@ h11==0.11.0
     # via
     #   -r requirements.txt
     #   httpcore
-httpcore==0.12.2
+httpcore==0.15.0
     # via
     #   -r requirements.txt
     #   httpx
-httpx==0.16.1
+httpx==0.23.0
     # via
     #   -r requirements.txt
     #   gidgethub
 idna==2.10
     # via
     #   -r requirements.txt
+    #   anyio
     #   rfc3986
     #   trio
+mypy==0.790
+    # via trio-typing
 mypy-extensions==0.4.3
     # via
     #   black
     #   mypy
     #   trio-typing
-mypy==0.790
-    # via trio-typing
 outcome==1.1.0
     # via
     #   -r requirements.txt
@@ -91,6 +97,7 @@ six==1.15.0
 sniffio==1.2.0
     # via
     #   -r requirements.txt
+    #   anyio
     #   httpcore
     #   httpx
     #   trio
@@ -100,12 +107,12 @@ sortedcontainers==2.3.0
     #   trio
 toml==0.10.2
     # via black
-trio-typing==0.5.0
-    # via -r dev-requirements.in
 trio==0.17.0
     # via
     #   -r requirements.txt
     #   trio-typing
+trio-typing==0.5.0
+    # via -r dev-requirements.in
 typed-ast==1.4.1
     # via
     #   black
diff --git a/.github/assign-reviewers/requirements.txt b/.github/assign-reviewers/requirements.txt
index 89778f0dcdea..34c9a85b6a90 100644
--- a/.github/assign-reviewers/requirements.txt
+++ b/.github/assign-reviewers/requirements.txt
@@ -4,6 +4,10 @@
 #
 #    pip-compile --generate-hashes requirements.in
 #
+anyio==3.6.1 \
+    --hash=sha256:413adf95f93886e442aea925f3ee43baa5a765a64a0f52c6081894f9992fdd0b \
+    --hash=sha256:cb29b9c70620506a9a8f87a309591713446953302d7d995344d0d7c6c0c9a7be
+    # via httpcore
 async-generator==1.10 \
     --hash=sha256:01c7bf666359b4967d2cda0000cc2e4af16a0ae098cbffcb8472fb9e8ad6585b \
     --hash=sha256:6ebb3d106c12920aaae42ccb6f787ef5eefdcdd166ea3d628fa8476abe712144
@@ -17,7 +21,9 @@ attrs==20.3.0 \
 certifi==2020.11.8 \
     --hash=sha256:1f422849db327d534e3d0c5f02a263458c3955ec0aae4ff09b95f195c59f4edd \
     --hash=sha256:f05def092c44fbf25834a51509ef6e631dc19765ab8a57b4e7ab85531f0a9cf4
-    # via httpx
+    # via
+    #   httpcore
+    #   httpx
 cffi==1.14.4 \
     --hash=sha256:00a1ba5e2e95684448de9b89888ccd02c98d512064b4cb987d48f4b40aa0421e \
     --hash=sha256:00e28066507bfc3fe865a31f325c8391a1ac2916219340f87dfad602c3e48e5d \
@@ -78,18 +84,19 @@ h11==0.11.0 \
     --hash=sha256:3c6c61d69c6f13d41f1b80ab0322f1872702a3ba26e12aa864c928f6a43fbaab \
     --hash=sha256:ab6c335e1b6ef34b205d5ca3e228c9299cc7218b049819ec84a388c2525e5d87
     # via httpcore
-httpcore==0.12.2 \
-    --hash=sha256:420700af11db658c782f7e8fda34f9dcd95e3ee93944dd97d78cb70247e0cd06 \
-    --hash=sha256:dd1d762d4f7c2702149d06be2597c35fb154c5eff9789a8c5823fbcf4d2978d6
+httpcore==0.15.0 \
+    --hash=sha256:1105b8b73c025f23ff7c36468e4432226cbb959176eab66864b8e31c4ee27fa6 \
+    --hash=sha256:18b68ab86a3ccf3e7dc0f43598eaddcf472b602aba29f9aa6ab85fe2ada3980b
     # via httpx
-httpx==0.16.1 \
-    --hash=sha256:126424c279c842738805974687e0518a94c7ae8d140cd65b9c4f77ac46ffa537 \
-    --hash=sha256:9cffb8ba31fac6536f2c8cde30df859013f59e4bcc5b8d43901cb3654a8e0a5b
+httpx==0.23.0 \
+    --hash=sha256:42974f577483e1e932c3cdc3cd2303e883cbfba17fe228b0f63589764d7b9c4b \
+    --hash=sha256:f28eac771ec9eb4866d3fb4ab65abd42d38c424739e80c08d8d20570de60b0ef
     # via gidgethub
 idna==2.10 \
     --hash=sha256:b307872f855b18632ce0c21c5e45be78c0ea7ae4c15c828c20788b26921eb3f6 \
     --hash=sha256:b97d804b1e9b523befed77c48dacec60e6dcb0b5391d57af6a65a312a90648c0
     # via
+    #   anyio
     #   rfc3986
     #   trio
 outcome==1.1.0 \
@@ -139,6 +146,7 @@ sniffio==1.2.0 \
     --hash=sha256:471b71698eac1c2112a40ce2752bb2f4a4814c22a54a3eed3676bc0f5ca9f663 \
     --hash=sha256:c4666eecec1d3f50960c6bdf61ab7bc350648da6c126e3cf6898d8cd4ddcd3de
     # via
+    #   anyio
     #   httpcore
     #   httpx
     #   trio