diff --git a/sandbox/cloud_functions/1.4.0/main.py b/sandbox/cloud_functions/1.4.0/main.py
new file mode 120000
index 00000000..f05f7527
--- /dev/null
+++ b/sandbox/cloud_functions/1.4.0/main.py
@@ -0,0 +1 @@
+../main.py
\ No newline at end of file
diff --git a/sandbox/cloud_functions/1.4.0/requirements.in b/sandbox/cloud_functions/1.4.0/requirements.in
new file mode 100644
index 00000000..a5e3f1e7
--- /dev/null
+++ b/sandbox/cloud_functions/1.4.0/requirements.in
@@ -0,0 +1,2 @@
+mypy[python2]==1.4.0
+typing-extensions
diff --git a/sandbox/cloud_functions/1.4.0/requirements.txt b/sandbox/cloud_functions/1.4.0/requirements.txt
new file mode 100644
index 00000000..0c3e7203
--- /dev/null
+++ b/sandbox/cloud_functions/1.4.0/requirements.txt
@@ -0,0 +1,18 @@
+#
+# This file is autogenerated by pip-compile with Python 3.10
+# by the following command:
+#
+#    pip-compile
+#
+mypy[python2]==1.4.0
+    # via -r requirements.in
+mypy-extensions==1.0.0
+    # via mypy
+tomli==2.0.1
+    # via mypy
+typed-ast==1.5.4
+    # via mypy
+typing-extensions==4.6.3
+    # via
+    #   -r requirements.in
+    #   mypy
diff --git a/sandbox/cloud_functions/latest b/sandbox/cloud_functions/latest
index 589268e6..e21e727f 120000
--- a/sandbox/cloud_functions/latest
+++ b/sandbox/cloud_functions/latest
@@ -1 +1 @@
-1.3.0
\ No newline at end of file
+1.4.0
\ No newline at end of file
diff --git a/sandbox/docker/1.4.0/Dockerfile b/sandbox/docker/1.4.0/Dockerfile
new file mode 100644
index 00000000..6e9796e2
--- /dev/null
+++ b/sandbox/docker/1.4.0/Dockerfile
@@ -0,0 +1,11 @@
+FROM python:3.10-slim
+
+WORKDIR /tmp
+COPY ./requirements.txt /tmp/
+
+RUN pip install -r requirements.txt \
+        && rm -rf /tmp/requirements.txt \
+        && rm -rf /root/.cache
+
+USER nobody
+CMD ["mypy"]
diff --git a/sandbox/docker/1.4.0/requirements.in b/sandbox/docker/1.4.0/requirements.in
new file mode 100644
index 00000000..a5e3f1e7
--- /dev/null
+++ b/sandbox/docker/1.4.0/requirements.in
@@ -0,0 +1,2 @@
+mypy[python2]==1.4.0
+typing-extensions
diff --git a/sandbox/docker/1.4.0/requirements.txt b/sandbox/docker/1.4.0/requirements.txt
new file mode 100644
index 00000000..0c3e7203
--- /dev/null
+++ b/sandbox/docker/1.4.0/requirements.txt
@@ -0,0 +1,18 @@
+#
+# This file is autogenerated by pip-compile with Python 3.10
+# by the following command:
+#
+#    pip-compile
+#
+mypy[python2]==1.4.0
+    # via -r requirements.in
+mypy-extensions==1.0.0
+    # via mypy
+tomli==2.0.1
+    # via mypy
+typed-ast==1.5.4
+    # via mypy
+typing-extensions==4.6.3
+    # via
+    #   -r requirements.in
+    #   mypy
diff --git a/sandbox/docker/latest b/sandbox/docker/latest
index 589268e6..e21e727f 120000
--- a/sandbox/docker/latest
+++ b/sandbox/docker/latest
@@ -1 +1 @@
-1.3.0
\ No newline at end of file
+1.4.0
\ No newline at end of file