diff --git a/requirements.in b/requirements.in
index a85caacf..2aea7683 100644
--- a/requirements.in
+++ b/requirements.in
@@ -329,7 +329,7 @@ python-dateutil==2.9.0.post0
     #   google-cloud-bigquery
     #   matplotlib
     #   pandas
-python-discovery==1.3.0
+python-discovery==1.3.1
     # via
     #   tox
     #   virtualenv
diff --git a/requirements.txt b/requirements.txt
index 9eb3a49e..1960adf5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2053,9 +2053,9 @@ python-dateutil==2.9.0.post0 \
     #   google-cloud-bigquery
     #   matplotlib
     #   pandas
-python-discovery==1.3.0 \
-    --hash=sha256:441d9ced3dfce36e113beb35ca302c71c7ef06f3c0f9c227a0b9bb3bd49b9e9f \
-    --hash=sha256:d098f1e86be5d45fe4d14bf1029294aabbd332f4321179dec85e76cddce834b0
+python-discovery==1.3.1 \
+    --hash=sha256:62f6db28064c9613e7ca76cb3f00c38c839a07c31c00dfe7ed0986493d2150a6 \
+    --hash=sha256:ed188687ebb3b82c01a17cd5ac62fc94d9f6487a7f1a0f9dfe89753fec91039c
     # via
     #   -r requirements.in
     #   tox