diff --git a/install.sh b/install.sh
index 35b1a33..771a8e8 100755
--- a/install.sh
+++ b/install.sh
@@ -61,7 +61,7 @@ function install_software() {
 }
 
 function check_python_version() {
-    if ! python3 -V | grep '3.[9-11].[0-9]' > /dev/null 2>&1; then
+    if ! python3 -V | grep -E '3.(9|1[012]).[0-9]' > /dev/null 2>&1; then
         echo "An unsupported version of python 3 is installed. Must have python 3.9+ installed to use the Hologram SDK"
         exit 1
     fi
@@ -124,7 +124,7 @@ do
             pause "Installing $program. Press [Enter] key to continue...";
             install_software 'python3-pip'
         fi
-        if ! pip3 -V | grep '3.[7-9]' >/dev/null 2>&1; then
+        if ! pip3 -V | grep -E '3.(9|1[012])' >/dev/null 2>&1; then
             echo "pip3 is installed for an unsupported version of python."
             exit 1
         fi
diff --git a/update.sh b/update.sh
index f52a636..23d4c5d 100755
--- a/update.sh
+++ b/update.sh
@@ -58,8 +58,8 @@ function install_software() {
 }
 
 function check_python_version() {
-    if ! python3 -V | grep '3.[7-9].[0-9]' > /dev/null 2>&1; then
-        echo "An unsupported version of python 3 is installed. Must have python 3.7+ installed to use the Hologram SDK"
+    if ! python3 -V | grep -E '3.(9|1[012]).[0-9]' > /dev/null 2>&1; then
+        echo "An unsupported version of python 3 is installed. Must have python 3.9+ installed to use the Hologram SDK"
         exit 1
     fi
 }
@@ -132,7 +132,7 @@ do
             pause "Installing $program. Press [Enter] key to continue...";
             install_software 'python3-pip'
         fi
-        if ! pip3 -V | grep '3.[7-9]' >/dev/null 2>&1; then
+        if ! pip3 -V | grep -E '3.(9|1[012])' >/dev/null 2>&1; then
             echo "pip3 is installed for an unsupported version of python."
             exit 1
         fi