diff --git a/appengine/flexible/numpy/requirements.txt b/appengine/flexible/numpy/requirements.txt
index 73746fae38f..516590eda3b 100644
--- a/appengine/flexible/numpy/requirements.txt
+++ b/appengine/flexible/numpy/requirements.txt
@@ -1,3 +1,4 @@
 Flask==3.0.0
 gunicorn==22.0.0
-numpy==1.24.3
+numpy==1.26.4; python_version > '3.8'
+numpy==1.24.4; python_version < '3.9'
diff --git a/appengine/flexible/scipy/requirements.txt b/appengine/flexible/scipy/requirements.txt
index b412197f15c..cc4d8db555d 100644
--- a/appengine/flexible/scipy/requirements.txt
+++ b/appengine/flexible/scipy/requirements.txt
@@ -1,6 +1,7 @@
 Flask==3.0.0
 gunicorn==22.0.0
 imageio==2.34.0
-numpy==1.24.3
+numpy==1.26.4; python_version > '3.8'
+numpy==1.24.4; python_version == '3.8'
 pillow==10.3.0
 scipy==1.10.1
diff --git a/appengine/flexible_python37_and_earlier/numpy/requirements.txt b/appengine/flexible_python37_and_earlier/numpy/requirements.txt
index 0479368c88e..670f327d883 100644
--- a/appengine/flexible_python37_and_earlier/numpy/requirements.txt
+++ b/appengine/flexible_python37_and_earlier/numpy/requirements.txt
@@ -1,5 +1,7 @@
 Flask==3.0.0; python_version > '3.6'
 Flask==2.0.3; python_version < '3.7'
 gunicorn==22.0.0
-numpy==1.21.6
+numpy==1.26.4; python_version > '3.8'
+numpy==1.24.4; python_version > '3.7'
+numpy==1.21.6; python_version == '3.7'
 Werkzeug==3.0.1
diff --git a/appengine/flexible_python37_and_earlier/scipy/requirements.txt b/appengine/flexible_python37_and_earlier/scipy/requirements.txt
index 0dad4953981..08beeb7fd25 100644
--- a/appengine/flexible_python37_and_earlier/scipy/requirements.txt
+++ b/appengine/flexible_python37_and_earlier/scipy/requirements.txt
@@ -2,7 +2,9 @@ Flask==3.0.0; python_version > '3.6'
 Flask==2.0.3; python_version < '3.7'
 gunicorn==22.0.0
 imageio==2.34.0
-numpy==1.21.6
+numpy==1.26.4; python_version > '3.8'
+numpy==1.24.4; python_version > '3.7'
+numpy==1.21.6; python_version == '3.7'
 pillow==10.3.0
 scipy==1.7.3
 Werkzeug==2.3.7
diff --git a/language/snippets/classify_text/requirements.txt b/language/snippets/classify_text/requirements.txt
index 263e56c6ab0..71faded41fd 100644
--- a/language/snippets/classify_text/requirements.txt
+++ b/language/snippets/classify_text/requirements.txt
@@ -1,3 +1,3 @@
 google-cloud-language==2.9.1
-numpy==1.24.3; python_version > '3.7'
-numpy==1.21.6; python_version == '3.7'
+numpy==1.26.4; python_version > '3.8'
+numpy==1.24.4; python_version == '3.8'