diff --git a/fortify-source-3.patch b/fortify-source-3.patch
deleted file mode 100644
index 0ce1b8d..0000000
--- a/fortify-source-3.patch
+++ /dev/null
@@ -1,11 +0,0 @@
---- configure.ac.orig	2026-01-24 22:55:47.111990648 +0100
-+++ configure.ac	2026-01-24 22:56:12.351441492 +0100
-@@ -537,7 +537,7 @@ then
- fi
- 
- # Compiler security flags
--AC_SUBST([cflags_common], ["-Wall -Wformat -Wformat-security -D_FORTIFY_SOURCE=2 -fno-delete-null-pointer-checks -fwrapv -fstack-protector-strong"])
-+AC_SUBST([cflags_common], ["-Wall -Wformat -Wformat-security -D_FORTIFY_SOURCE=3 -fno-delete-null-pointer-checks -fwrapv -fstack-protector-strong"])
- 
- # Disable insecure algorithms by default
- if test "x$enable_qat_insecure_algorithms" = "xyes"
diff --git a/qatengine.spec b/qatengine.spec
index f2a0a8a..dfaf467 100644
--- a/qatengine.spec
+++ b/qatengine.spec
@@ -13,7 +13,7 @@
 %endif
 
 Name:           qatengine
-Version:        2.0.0
+Version:        2.1.0
 Release:        1%{?dist}
 Summary:        Intel QuickAssist Technology (QAT) OpenSSL Engine
 
@@ -38,8 +38,6 @@ BuildRequires:  intel-ipsec-mb-devel >= 2.0
 %endif
 BuildRequires:  openssl
 
-Patch1: fortify-source-3.patch
-
 %description
 This package provides the Intel QuickAssist Technology OpenSSL Engine
 (an OpenSSL Plug-In Engine) which provides cryptographic acceleration
@@ -49,6 +47,13 @@ enabled Intel platforms.
 %prep
 %autosetup -n QAT_Engine-%{version}
 
+# RedHat's annocheck security hardening verification returns a warning:
+# Hardened: ./usr/lib64/ossl-modules/qatprovider.so: FAIL: optimization
+# test because level too low (based upon annobin data) (lto:value_barrier)
+# This is a false positive, value_barrier() function in qat_constant_time.h
+# is intentionally built with "#pragma GCC optimize ("O0")" to enable
+# constant-time side-channel protection. Waive this annocheck warning.
+
 %build
 autoreconf -ivf
 %configure %{?with_sw:--enable-qat_sw} %{?with_provider:--enable-qat_provider}
@@ -80,6 +85,10 @@ openssl engine -v %{name}
 %endif
 
 %changelog
+* Tue Jun 30 2026 Vladislav Dronov <vdronov@redhat.com> - 2.1.0-1
+- Update to qatengine v2.1.0 @ c7b07156 (RHEL-188511)
+- Add annocheck warning explanation
+
 * Fri Jan 23 2026 Vladislav Dronov <vdronov@redhat.com> - 2.0.0-1
 - Update to qatengine v2.0.0 @ 4498412a (RHEL-143913)
 
diff --git a/sources b/sources
index 54187a1..cd9a18d 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (qatengine-2.0.0.tar.gz) = c0c72e8b6f985b753a827faeb80bccc88f2962542ff7c256e463ff6fb8b99027329be67319c2e09555c0b050d2e99370a33562c66c591d82ccf319e5babfb890
+SHA512 (qatengine-2.1.0.tar.gz) = c7634153fdc2e89f4bbeea8ef614d72bea0681cddb9dd1afafa902eeb0fad9eb6e50f56dcef56c963c980bacef93ac650f7134cea5a212c6bf0774512ec039fe