diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 84280cd..5e9b7da 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -15,6 +15,6 @@ jobs:
   check:
     uses: fizzyedit/plugin-build-action/.github/workflows/check.yml@v7
     with:
-      zig-version: "0.16.0"
+      zig-version: "0.17.0"
     # secrets:
     #   build_env: ${{ secrets.MY_BUILD_ENV }}   # as in release.yml, if the build needs one
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index dab756a..0c266e1 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -12,4 +12,4 @@ jobs:
     permissions:
       contents: write
     with:
-      zig-version: "0.16.0"
+      zig-version: "0.17.0"
diff --git a/.github/workflows/sdk-repin.yml b/.github/workflows/sdk-repin.yml
index e1a776c..28a0fd0 100644
--- a/.github/workflows/sdk-repin.yml
+++ b/.github/workflows/sdk-repin.yml
@@ -31,4 +31,4 @@ jobs:
     with:
       sdk-version: ${{ github.event.client_payload.version || inputs.sdk-version || '' }}
       force: ${{ inputs.force == true }}
-      zig-version: "0.16.0"
+      zig-version: "0.17.0"
diff --git a/build.zig b/build.zig
index a00901b..09870a4 100644
--- a/build.zig
+++ b/build.zig
@@ -27,6 +27,17 @@ pub fn build(b: *std.Build) void {
         else => @panic("unsupported target for ghostty_vt"),
     };
     plugin.module.addIncludePath(ghostty_vt.path("include"));
+    // libghostty-vt's header, translated once into a module of its own (`c`): Zig 0.17 removed
+    // `@cImport`. `GHOSTTY_STATIC` makes `GHOSTTY_API` a no-op, right for the static lib.
+    const vt_h = b.addTranslateC(.{
+        .root_source_file = ghostty_vt.path("include/ghostty/vt.h"),
+        .target = target,
+        .optimize = optimize,
+        .link_libc = true,
+    });
+    vt_h.addIncludePath(ghostty_vt.path("include"));
+    vt_h.defineCMacro("GHOSTTY_STATIC", "1");
+    plugin.module.addImport("c", vt_h.createModule());
     plugin.module.addObjectFile(ghostty_vt.path(ghostty_vt_lib));
     plugin.module.link_libc = true;
 
diff --git a/build.zig.zon b/build.zig.zon
index c5c6634..cd582c4 100644
--- a/build.zig.zon
+++ b/build.zig.zon
@@ -2,7 +2,7 @@
     .name = .ghostty,
     .version = "0.0.1",
     .fingerprint = 0x64407a2a356ac9fe,
-    .minimum_zig_version = "0.16.0",
+    .minimum_zig_version = "0.17.0",
     .dependencies = .{
         .ghostty_vt = .{
             .url = "https://github.com/fizzyedit/ghostty_vt/releases/download/v0.1.2/ghostty-vt-v0.1.2.tar.gz",
@@ -12,8 +12,8 @@
             // The published SDK, not a path into a checkout: a release has to build from a
             // clean clone, and the release asset (never the tag's git archive) is the SDK
             // package alone — the monorepo root zon carries the app's own dependencies.
-            .url = "https://github.com/fizzyedit/fizzy/releases/download/sdk-v0.2.29/fizzy-sdk-v0.2.29.tar.gz",
-            .hash = "fizzy-0.2.29-SGBwY2sxJgCLLSPt4HLdlMSg7WtcP4K0fdtXI5WwJl2d",
+            .url = "https://github.com/fizzyedit/fizzy/releases/download/sdk-v0.2.30/fizzy-sdk-v0.2.30.tar.gz",
+            .hash = "fizzy-0.2.30-SGBwY1QnJwDznUMVnSLATxXgH2e8_Vz7eMwLj9UQ0sVU",
         },
     },
     .paths = .{
diff --git a/plugin.zig.zon b/plugin.zig.zon
index 4fd5e65..f38b21d 100644
--- a/plugin.zig.zon
+++ b/plugin.zig.zon
@@ -1,8 +1,8 @@
 .{
     .id = "ghostty",
     .name = "Ghostty",
-    .version = "0.1.31",
-    .min_sdk_version = "0.2.29",
+    .version = "0.1.32",
+    .min_sdk_version = "0.2.30",
     .description = "Ghostty terminal emulator plugin for fizzy",
     .tags = .{ "terminal", "ghostty" },
     .author = "foxnne",
diff --git a/src/Pty.zig b/src/Pty.zig
index 1c39608..7c28a03 100644
--- a/src/Pty.zig
+++ b/src/Pty.zig
@@ -4,7 +4,7 @@
 //! Windows: ConPTY + PowerShell (`Pty_windows.zig`).
 const builtin = @import("builtin");
 
-const backend = if (builtin.os.tag == .windows)
+const backend = if (builtin.target.os.tag == .windows)
     @import("Pty_windows.zig")
 else
     @import("Pty_unix.zig");
diff --git a/src/Pty_unix.zig b/src/Pty_unix.zig
index f89529e..9cbb280 100644
--- a/src/Pty_unix.zig
+++ b/src/Pty_unix.zig
@@ -28,7 +28,7 @@ pub const Pty = struct {
     extern "c" fn ioctl(fd: c_int, request: c_ulong, ...) c_int;
     extern "c" fn _exit(code: c_int) noreturn;
 
-    const TIOCSWINSZ: c_ulong = switch (builtin.os.tag) {
+    const TIOCSWINSZ: c_ulong = switch (builtin.target.os.tag) {
         .linux => 0x5414,
         else => 0x80087467, // macOS / BSD
     };
@@ -103,7 +103,7 @@ pub const Pty = struct {
         while (off < bytes.len) {
             const n = std.c.write(self.master, bytes.ptr + off, bytes.len - off);
             if (n < 0) {
-                if (std.c._errno().* == @intFromEnum(std.c.E.INTR)) continue;
+                if (std.c._errno().* == @backingInt(std.c.E.INTR)) continue;
                 break; // real error (e.g. EPIPE on child exit) — drop the rest
             }
             off += @intCast(n);
diff --git a/src/c.zig b/src/c.zig
index 54da2d2..b149aea 100644
--- a/src/c.zig
+++ b/src/c.zig
@@ -1,7 +1,3 @@
-//! C bindings for libghostty-vt (from the ghostty_vt package dependency). The include path
-//! and static archive are wired in `build.zig`. `GHOSTTY_STATIC` makes the `GHOSTTY_API`
-//! visibility/import-export attributes a no-op, which is correct when linking the static lib.
-pub const c = @cImport({
-    @cDefine("GHOSTTY_STATIC", "1");
-    @cInclude("ghostty/vt.h");
-});
+//! C bindings for libghostty-vt (from the ghostty_vt package dependency): its header, translated
+//! in `build.zig`, which also wires the static archive.
+pub const c = @import("c");
diff --git a/src/input.zig b/src/input.zig
index 1c8594f..d726a25 100644
--- a/src/input.zig
+++ b/src/input.zig
@@ -109,18 +109,18 @@ const Mapped = struct {
 
 fn mapKey(code: dvui.enums.Key) ?Mapped {
     const Key = dvui.enums.Key;
-    const ci = @intFromEnum(code);
+    const ci = @backingInt(code);
 
-    if (ci >= @intFromEnum(Key.a) and ci <= @intFromEnum(Key.z)) {
-        const off: c_int = @intCast(ci - @intFromEnum(Key.a));
+    if (ci >= @backingInt(Key.a) and ci <= @backingInt(Key.z)) {
+        const off: c_int = @intCast(ci - @backingInt(Key.a));
         return .{ .key = c.GHOSTTY_KEY_A + off, .cp = @intCast('a' + off) };
     }
-    if (ci >= @intFromEnum(Key.zero) and ci <= @intFromEnum(Key.nine)) {
-        const off: c_int = @intCast(ci - @intFromEnum(Key.zero));
+    if (ci >= @backingInt(Key.zero) and ci <= @backingInt(Key.nine)) {
+        const off: c_int = @intCast(ci - @backingInt(Key.zero));
         return .{ .key = c.GHOSTTY_KEY_DIGIT_0 + off, .cp = @intCast('0' + off) };
     }
-    if (ci >= @intFromEnum(Key.f1) and ci <= @intFromEnum(Key.f12)) {
-        const off: c_int = @intCast(ci - @intFromEnum(Key.f1));
+    if (ci >= @backingInt(Key.f1) and ci <= @backingInt(Key.f12)) {
+        const off: c_int = @intCast(ci - @backingInt(Key.f1));
         return .{ .key = c.GHOSTTY_KEY_F1 + off, .cp = 0 };
     }
 
diff --git a/src/render.zig b/src/render.zig
index 1eda0a8..36a1a0e 100644
--- a/src/render.zig
+++ b/src/render.zig
@@ -18,7 +18,7 @@ const input = @import("input.zig");
 /// the app process itself inherited, which for a packaged `.app` launched from Finder/Dock is
 /// `/` rather than `~`. Null if the relevant env var isn't set.
 fn defaultCwd() ?[]const u8 {
-    const name = if (builtin.os.tag == .windows) "USERPROFILE" else "HOME";
+    const name = if (builtin.target.os.tag == .windows) "USERPROFILE" else "HOME";
     const value = std.c.getenv(name) orelse return null;
     return std.mem.span(value);
 }