diff -pruN 3.3.1-1/debian/changelog 3.3.1-2/debian/changelog
--- 3.3.1-1/debian/changelog	2025-08-14 10:23:08.000000000 +0000
+++ 3.3.1-2/debian/changelog	2025-08-15 09:10:13.000000000 +0000
@@ -1,3 +1,12 @@
+libblockdev (3.3.1-2) unstable; urgency=medium
+
+  * Replace Build-Depends on libgirepository1.0-dev.
+    Add gobject-introspection for g-ir-scanner and gir1.2-gio-2.0-dev and
+    gir1.2-gobject-2.0-de as src/lib/Makefile.am has
+    `BlockDev_3_0_gir_INCLUDES = GObject-2.0 Gio-2.0`.
+
+ -- Michael Biebl <biebl@debian.org>  Fri, 15 Aug 2025 11:10:13 +0200
+
 libblockdev (3.3.1-1) unstable; urgency=medium
 
   * New upstream release
diff -pruN 3.3.1-1/debian/control 3.3.1-2/debian/control
--- 3.3.1-1/debian/control	2025-08-14 10:23:08.000000000 +0000
+++ 3.3.1-2/debian/control	2025-08-15 09:10:13.000000000 +0000
@@ -11,7 +11,9 @@ Build-Depends: debhelper-compat (= 13),
                autoconf-archive,
                python3:any,
                libglib2.0-dev (>= 2.42.2),
-               libgirepository1.0-dev,
+               gir1.2-gio-2.0-dev,
+               gir1.2-gobject-2.0-dev,
+               gobject-introspection (>= 1.80),
                libcryptsetup-dev (>= 2.3.0),
                libkeyutils-dev,
                libdevmapper-dev (>= 1.02.93),
@@ -61,7 +63,6 @@ Section: libdevel
 Architecture: linux-any
 Multi-Arch: same
 Depends: libblockdev3 (= ${binary:Version}),
-         gir1.2-blockdev-3.0 (= ${binary:Version}),
          libblockdev-utils-dev (= ${binary:Version}),
          libglib2.0-dev,
          ${gir:Depends},