diff --git a/requirements.in b/requirements.in
index 0f74f0aeb..3a6d542a1 100644
--- a/requirements.in
+++ b/requirements.in
@@ -7,6 +7,8 @@ jinja2
 deprecation
 protobuf==3.20.2
 watchdog
+# `virtualenv==20.26.6` is added for Python 3.7 compatibility
+virtualenv==20.26.6
 
 # some java processing requires xml handling
 lxml
diff --git a/requirements.txt b/requirements.txt
index ac18ff467..e68598452 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 #
-# This file is autogenerated by pip-compile with Python 3.13
+# This file is autogenerated by pip-compile with Python 3.10
 # by the following command:
 #
 #    pip-compile --allow-unsafe --generate-hashes requirements.in
@@ -468,14 +468,20 @@ requests==2.32.3 \
 sample-tester==0.16.3 \
     --hash=sha256:c31ec53c0881ba7a603ebf52f1bd3c249ced5d305b40d8d98852b113eaf37735
     # via -r requirements.in
+tomli==2.0.2 \
+    --hash=sha256:2ebe24485c53d303f690b0ec092806a085f07af5a5aa1464f3931eec36caaa38 \
+    --hash=sha256:d46d457a85337051c36524bc5349dd91b1877838e2979ac5ced3e710ed8a60ed
+    # via nox
 urllib3==2.2.3 \
     --hash=sha256:ca899ca043dcb1bafa3e262d73aa25c465bfb49e0bd9dd5d59f1d0acba2f8fac \
     --hash=sha256:e7d814a81dad81e6caf2ec9fdedb284ecc9c73076b62654547cc64ccdcae26e9
     # via requests
-virtualenv==20.27.1 \
-    --hash=sha256:142c6be10212543b32c6c45d3d3893dff89112cc588b7d0879ae5a1ec03a47ba \
-    --hash=sha256:f11f1b8a29525562925f745563bfd48b189450f61fb34c4f9cc79dd5aa32a1f4
-    # via nox
+virtualenv==20.26.6 \
+    --hash=sha256:280aede09a2a5c317e409a00102e7077c6432c5a38f0ef938e643805a7ad2c48 \
+    --hash=sha256:7345cc5b25405607a624d8418154577459c3e0277f5466dd79c49d5e492995f2
+    # via
+    #   -r requirements.in
+    #   nox
 watchdog==6.0.0 \
     --hash=sha256:07df1fdd701c5d4c8e55ef6cf55b8f0120fe1aef7ef39a1c6fc6bc2e606d517a \
     --hash=sha256:20ffe5b202af80ab4266dcd3e91aae72bf2da48c0d33bdb15c66658e685e94e2 \