diff --git a/.gitignore b/.gitignore
index 1a3a04c..175642a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,4 +5,3 @@
 /libmimalloc-sys-0.1.38.crate
 /libmimalloc-sys-0.1.39.crate
 /libmimalloc-sys-0.1.42.crate
-/libmimalloc-sys-0.1.44.crate
diff --git a/get-bundled-mimalloc-ver.sh b/get-bundled-mimalloc-ver.sh
index ba2b568..d9ba3f5 100755
--- a/get-bundled-mimalloc-ver.sh
+++ b/get-bundled-mimalloc-ver.sh
@@ -1,4 +1,2 @@
 #!/bin/sh
-for v in 2 3; do
-  grep "define MI_MALLOC_VERSION" libmimalloc-sys-*/c_src/mimalloc/v$v/include/mimalloc.h | cut -d' ' -f3 | fold -w1 | paste -sd.
-done
+grep "define MI_MALLOC_VERSION" libmimalloc-sys-*/c_src/mimalloc/include/mimalloc.h | cut -d' ' -f3 | fold -w1 | paste -sd.
diff --git a/rust-libmimalloc-sys.spec b/rust-libmimalloc-sys.spec
index 82cc4f9..165063e 100644
--- a/rust-libmimalloc-sys.spec
+++ b/rust-libmimalloc-sys.spec
@@ -5,7 +5,7 @@
 %global crate libmimalloc-sys
 
 Name:           rust-libmimalloc-sys
-Version:        0.1.44
+Version:        0.1.42
 Release:        %autorelease
 Summary:        Sys crate wrapping the mimalloc allocator
 
@@ -19,8 +19,7 @@ BuildRequires:  cargo-rpm-macros >= 24
 # or ask mimalloc dev to switch to mimalloc-sys
 # https://github.com/purpleprotocol/mimalloc_rust/issues/73
 # use get-bundled-mimalloc-ver.sh after unpacking the crate
-Provides:       bundled(mimalloc) = 2.2.4
-Provides:       bundled(mimalloc) = 3.1.5
+Provides:       bundled(mimalloc) = 2.2.3
 
 %global _description %{expand:
 Sys crate wrapping the mimalloc allocator.}
@@ -38,8 +37,7 @@ use the "%{crate}" crate.
 
 %files          devel
 %license %{crate_instdir}/LICENSE.txt
-%license %{crate_instdir}/c_src/mimalloc/v2/LICENSE
-%license %{crate_instdir}/c_src/mimalloc/v3/LICENSE
+%license %{crate_instdir}/c_src/mimalloc/LICENSE
 %{crate_instdir}/
 
 %package     -n %{name}+default-devel
@@ -162,18 +160,6 @@ use the "secure" feature of the "%{crate}" crate.
 %files       -n %{name}+secure-devel
 %ghost %{crate_instdir}/Cargo.toml
 
-%package     -n %{name}+v3-devel
-Summary:        %{summary}
-BuildArch:      noarch
-
-%description -n %{name}+v3-devel %{_description}
-
-This package contains library source intended for building other packages which
-use the "v3" feature of the "%{crate}" crate.
-
-%files       -n %{name}+v3-devel
-%ghost %{crate_instdir}/Cargo.toml
-
 %prep
 %autosetup -n %{crate}-%{version} -p1
 %cargo_prep
diff --git a/series b/series
new file mode 100644
index 0000000..24ea452
--- /dev/null
+++ b/series
@@ -0,0 +1 @@
+libmimalloc-sys-fix-usable-size-gating.diff
diff --git a/sources b/sources
index c39a392..57535ff 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (libmimalloc-sys-0.1.44.crate) = 18de89a1084ed2da37f9ea6357289e40fe95d86e8de2ee4567bba5453c2f622a116473e2baffeb086cdf814a4b7b12f6e05563992b0b88cf939abcc5a2584fc2
+SHA512 (libmimalloc-sys-0.1.42.crate) = 0daf3ef819820d7d0ba7d189038ad33ce7fbec370edb5f2d07b47569d359f0364e8b43639743e0a800ca41bf432f043ca71bc9dbf900705732b856e147ec6d85