diff --git a/ct/radicale.sh b/ct/radicale.sh
index ffb0927fd..bc87e272e 100644
--- a/ct/radicale.sh
+++ b/ct/radicale.sh
@@ -41,7 +41,7 @@ function update_script() {
     if grep -q 'start.sh' /etc/systemd/system/radicale.service; then
       sed -i -e '/^Description/i[Unit]' \
         -e '\|^ExecStart|iWorkingDirectory=/opt/radicale' \
-        -e 's|^ExecStart=.*|ExecStart=/usr/local/bin/uv run -m radicale --config /etc/radicale/config|' /etc/systemd/system/radicale.service
+        -e 's|^ExecStart=.*|ExecStart=/usr/local/bin/uv run --extra bcrypt --extra argon2 -m radicale --config /etc/radicale/config|' /etc/systemd/system/radicale.service
       systemctl daemon-reload
     fi
     if [[ ! -f /etc/radicale/config ]]; then
@@ -70,6 +70,14 @@ EOF
     msg_ok "Started service"
     msg_ok "Updated Successfully!"
   fi
+
+  if grep -q 'uv run -m radicale' /etc/systemd/system/radicale.service && grep -q '^argon2 *=' /opt/radicale/pyproject.toml; then
+    msg_info "Enabling bcrypt/argon2 support"
+    sed -i 's|uv run -m radicale|uv run --extra bcrypt --extra argon2 -m radicale|' /etc/systemd/system/radicale.service
+    systemctl daemon-reload
+    systemctl restart radicale
+    msg_ok "Enabled bcrypt/argon2 support"
+  fi
   exit
 }
 
diff --git a/install/radicale-install.sh b/install/radicale-install.sh
index d16c19e41..7eab2e159 100644
--- a/install/radicale-install.sh
+++ b/install/radicale-install.sh
@@ -58,7 +58,7 @@ Requires=network.target
 
 [Service]
 WorkingDirectory=/opt/radicale
-ExecStart=/usr/local/bin/uv run -m radicale --config /etc/radicale/config
+ExecStart=/usr/local/bin/uv run --extra bcrypt --extra argon2 -m radicale --config /etc/radicale/config
 Restart=on-failure
 # User=radicale
 # Deny other users access to the calendar data