I upload a LowNMU for this. debdiff attached.
diff -Nru imlib2-1.7.4/debian/changelog imlib2-1.7.4/debian/changelog
--- imlib2-1.7.4/debian/changelog 2021-09-20 22:36:53.000000000 +0200
+++ imlib2-1.7.4/debian/changelog 2022-03-26 15:19:24.000000000 +0100
@@ -1,3 +1,10 @@
+imlib2 (1.7.4-1.1) unstable; urgency=medium
+
+ * Non-maintainer upload.
+ * Drop one more libltdl3-dev dependency. (Closes: #1008305)
+
+ -- Bastian Germann <[email protected]> Sat, 26 Mar 2022 15:19:24 +0100
+
imlib2 (1.7.4-1) unstable; urgency=medium
* New upstream version 1.7.4.
diff -Nru imlib2-1.7.4/debian/control imlib2-1.7.4/debian/control
--- imlib2-1.7.4/debian/control 2021-09-20 22:36:53.000000000 +0200
+++ imlib2-1.7.4/debian/control 2022-03-26 15:19:24.000000000 +0100
@@ -51,7 +51,6 @@
libid3tag0-dev,
libimlib2 (=${binary:Version}),
libjpeg-dev,
- libltdl3-dev,
libpng-dev,
libtiff-dev,
libwebp-dev,
