diff --git a/Cargo.lock b/Cargo.lock
index c662bb1..dffcedd 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1642,7 +1642,7 @@ checksum = "09edd9e8b54e49e587e4f6295a7d29c3ea94d469cb40ab8ca70b288248a81db2"
 
 [[package]]
 name = "lesavka_client"
-version = "0.14.20"
+version = "0.14.21"
 dependencies = [
  "anyhow",
  "async-stream",
@@ -1676,7 +1676,7 @@ dependencies = [
 
 [[package]]
 name = "lesavka_common"
-version = "0.14.20"
+version = "0.14.21"
 dependencies = [
  "anyhow",
  "base64",
@@ -1688,7 +1688,7 @@ dependencies = [
 
 [[package]]
 name = "lesavka_server"
-version = "0.14.20"
+version = "0.14.21"
 dependencies = [
  "anyhow",
  "base64",
diff --git a/client/Cargo.toml b/client/Cargo.toml
index c008314..0388d68 100644
--- a/client/Cargo.toml
+++ b/client/Cargo.toml
@@ -4,7 +4,7 @@ path                    = "src/main.rs"
 
 [package]
 name                    = "lesavka_client"
-version                 = "0.14.20"
+version                 = "0.14.21"
 edition                 = "2024"
 
 [dependencies]
diff --git a/common/Cargo.toml b/common/Cargo.toml
index ce2fa16..2907458 100644
--- a/common/Cargo.toml
+++ b/common/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name                    = "lesavka_common"
-version                 = "0.14.20"
+version                 = "0.14.21"
 edition                 = "2024"
 build                   = "build.rs"
 
diff --git a/scripts/install/server.sh b/scripts/install/server.sh
index 133b5a6..b6a5c04 100755
--- a/scripts/install/server.sh
+++ b/scripts/install/server.sh
@@ -502,6 +502,21 @@ fi
   printf 'LESAVKA_UVC_CODEC=%s\n' "${LESAVKA_UVC_CODEC:-mjpeg}"
 } | sudo tee /etc/lesavka/server.env >/dev/null
 
+{
+  echo "# generated by lesavka/scripts/install/server.sh"
+  echo "# Edit only for local UVC hardware overrides; rerunning the installer refreshes defaults."
+  printf 'LESAVKA_UVC_DEBUG=%s\n' "${LESAVKA_UVC_DEBUG:-1}"
+  printf 'LESAVKA_UVC_MAXPACKET=%s\n' "${LESAVKA_UVC_MAXPACKET:-256}"
+  printf 'LESAVKA_UVC_LIMIT_PCT=%s\n' "${LESAVKA_UVC_LIMIT_PCT:-100}"
+  printf 'LESAVKA_UVC_FPS=%s\n' "${LESAVKA_UVC_FPS:-20}"
+  printf 'LESAVKA_UVC_INTERVAL=%s\n' "${LESAVKA_UVC_INTERVAL:-500000}"
+  printf 'LESAVKA_UVC_WIDTH=%s\n' "${LESAVKA_UVC_WIDTH:-640}"
+  printf 'LESAVKA_UVC_HEIGHT=%s\n' "${LESAVKA_UVC_HEIGHT:-480}"
+  printf 'LESAVKA_UVC_CODEC=%s\n' "${LESAVKA_UVC_CODEC:-mjpeg}"
+  printf 'LESAVKA_UVC_BLOCKING=%s\n' "${LESAVKA_UVC_BLOCKING:-1}"
+  printf 'LESAVKA_UVC_MAXBURST=%s\n' "${LESAVKA_UVC_MAXBURST:-0}"
+} | sudo tee /etc/lesavka/uvc.env >/dev/null
+
 echo "==> 6a. Systemd units - lesavka-core"
 cat <<'UNIT' | sudo tee /etc/systemd/system/lesavka-core.service >/dev/null
 [Unit]
diff --git a/server/Cargo.toml b/server/Cargo.toml
index a3b326c..1d75723 100644
--- a/server/Cargo.toml
+++ b/server/Cargo.toml
@@ -10,7 +10,7 @@ bench                   = false
 
 [package]
 name                    = "lesavka_server"
-version                 = "0.14.20"
+version                 = "0.14.21"
 edition                 = "2024"
 autobins                = false
 
diff --git a/testing/tests/server_install_script_contract.rs b/testing/tests/server_install_script_contract.rs
index 11bd809..09e42b5 100644
--- a/testing/tests/server_install_script_contract.rs
+++ b/testing/tests/server_install_script_contract.rs
@@ -23,6 +23,12 @@ fn server_install_pins_hdmi_camera_and_display_defaults() {
         "LESAVKA_UPSTREAM_VIDEO_PLAYOUT_OFFSET_US=%s",
         "LESAVKA_UPSTREAM_PAIR_SLACK_US=%s",
         "LESAVKA_UPSTREAM_STALE_DROP_MS=%s",
+        "/etc/lesavka/uvc.env",
+        "LESAVKA_UVC_MAXPACKET=%s",
+        "LESAVKA_UVC_INTERVAL=%s",
+        "LESAVKA_UVC_WIDTH=%s",
+        "LESAVKA_UVC_HEIGHT=%s",
+        "LESAVKA_UVC_CODEC=%s",
     ] {
         assert!(
             SERVER_INSTALL.contains(expected),
@@ -38,6 +44,11 @@ fn server_install_pins_hdmi_camera_and_display_defaults() {
     assert!(SERVER_INSTALL.contains("${LESAVKA_UPSTREAM_PLAYOUT_DELAY_MS:-1000}"));
     assert!(SERVER_INSTALL.contains("${LESAVKA_UPSTREAM_PAIR_SLACK_US:-20000}"));
     assert!(SERVER_INSTALL.contains("${LESAVKA_UPSTREAM_STALE_DROP_MS:-80}"));
+    assert!(SERVER_INSTALL.contains("${LESAVKA_UVC_MAXPACKET:-256}"));
+    assert!(SERVER_INSTALL.contains("${LESAVKA_UVC_INTERVAL:-500000}"));
+    assert!(SERVER_INSTALL.contains("${LESAVKA_UVC_WIDTH:-640}"));
+    assert!(SERVER_INSTALL.contains("${LESAVKA_UVC_HEIGHT:-480}"));
+    assert!(SERVER_INSTALL.contains("${LESAVKA_UVC_CODEC:-mjpeg}"));
 }
 
 #[test]