diff --git a/python-cryptography.changes b/python-cryptography.changes
index cc42851..a62d39d 100644
--- a/python-cryptography.changes
+++ b/python-cryptography.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Mon Aug 12 20:36:00 UTC 2024 - Matej Cepl <mcepl@cepl.eu>
+
+- Fix building optimized binaries with debuginfo.
+
 -------------------------------------------------------------------
 Wed Jul 31 21:45:43 UTC 2024 - Matej Cepl <mcepl@cepl.eu>
 
diff --git a/python-cryptography.spec b/python-cryptography.spec
index 024768d..a9b11f6 100644
--- a/python-cryptography.spec
+++ b/python-cryptography.spec
@@ -91,10 +91,13 @@ functions.
 %autosetup -a2 -p1 -n cryptography-%{version}
 
 %build
+export CARGO_NET_OFFLINE=true
+export CARGO_PROFILE_RELEASE_DEBUG=true
+export CARGO_PROFILE_SPLIT_DEBUGINFO=off
 cd src/rust
 tar xfv %{S:2}
 rm -v Cargo.lock
-cargo build
+cargo build --release
 cd -
 
 # https://github.com/pyca/cryptography/issues/9023
diff --git a/vendor.tar.zst b/vendor.tar.zst
index ccb563c..dc929a0 100644
--- a/vendor.tar.zst
+++ b/vendor.tar.zst
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:1ac7727c4e81168618b012aefd3a0bec71280701a76faae14d4981605a438874
-size 1949563
+oid sha256:0189963d634540b54819a21f8a5ebac6b2a60f54e21369ba98259e743e8b08a7
+size 1950998