diff --git a/dev-cpp/tbb/tbb-2021.12.0.ebuild b/dev-cpp/tbb/tbb-2021.12.0.ebuild
index 578a4c67d5d22..4f8b60d8680f8 100644
--- a/dev-cpp/tbb/tbb-2021.12.0.ebuild
+++ b/dev-cpp/tbb/tbb-2021.12.0.ebuild
@@ -1,4 +1,4 @@
-# Copyright 1999-2024 Gentoo Authors
+# Copyright 1999-2026 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=8
@@ -47,3 +47,11 @@ src_configure() {
 
 	cmake-multilib_src_configure
 }
+
+src_test() {
+	local CMAKE_SKIP_TESTS=()
+	if use elibc_musl; then
+		CMAKE_SKIP_TESTS=( conformance_resumable_tasks ) # Bug #864175
+	fi
+	cmake-multilib_src_test
+}
diff --git a/dev-cpp/tbb/tbb-2021.13.0.ebuild b/dev-cpp/tbb/tbb-2021.13.0.ebuild
index 578a4c67d5d22..4f8b60d8680f8 100644
--- a/dev-cpp/tbb/tbb-2021.13.0.ebuild
+++ b/dev-cpp/tbb/tbb-2021.13.0.ebuild
@@ -1,4 +1,4 @@
-# Copyright 1999-2024 Gentoo Authors
+# Copyright 1999-2026 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=8
@@ -47,3 +47,11 @@ src_configure() {
 
 	cmake-multilib_src_configure
 }
+
+src_test() {
+	local CMAKE_SKIP_TESTS=()
+	if use elibc_musl; then
+		CMAKE_SKIP_TESTS=( conformance_resumable_tasks ) # Bug #864175
+	fi
+	cmake-multilib_src_test
+}
diff --git a/dev-cpp/tbb/tbb-2021.7.0-r1.ebuild b/dev-cpp/tbb/tbb-2021.7.0-r1.ebuild
index e2a5696508de4..14697638a200d 100644
--- a/dev-cpp/tbb/tbb-2021.7.0-r1.ebuild
+++ b/dev-cpp/tbb/tbb-2021.7.0-r1.ebuild
@@ -40,3 +40,11 @@ src_configure() {
 
 	cmake-multilib_src_configure
 }
+
+src_test() {
+	local CMAKE_SKIP_TESTS=()
+	if use elibc_musl; then
+		CMAKE_SKIP_TESTS=( conformance_resumable_tasks ) # Bug #864175
+	fi
+	cmake-multilib_src_test
+}
diff --git a/dev-cpp/tbb/tbb-2021.9.0.ebuild b/dev-cpp/tbb/tbb-2021.9.0.ebuild
index e889b2f3e312a..427685c031c17 100644
--- a/dev-cpp/tbb/tbb-2021.9.0.ebuild
+++ b/dev-cpp/tbb/tbb-2021.9.0.ebuild
@@ -48,3 +48,11 @@ src_configure() {
 
 	cmake-multilib_src_configure
 }
+
+src_test() {
+	local CMAKE_SKIP_TESTS=()
+	if use elibc_musl; then
+		CMAKE_SKIP_TESTS=( conformance_resumable_tasks ) # Bug #864175
+	fi
+	cmake-multilib_src_test
+}
diff --git a/dev-cpp/tbb/tbb-2022.0.0-r1.ebuild b/dev-cpp/tbb/tbb-2022.0.0-r1.ebuild
index 1cf5886f8a398..28c442dd77078 100644
--- a/dev-cpp/tbb/tbb-2022.0.0-r1.ebuild
+++ b/dev-cpp/tbb/tbb-2022.0.0-r1.ebuild
@@ -1,4 +1,4 @@
-# Copyright 1999-2024 Gentoo Authors
+# Copyright 1999-2026 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=8
@@ -49,3 +49,11 @@ src_configure() {
 
 	cmake-multilib_src_configure
 }
+
+src_test() {
+	local CMAKE_SKIP_TESTS=()
+	if use elibc_musl; then
+		CMAKE_SKIP_TESTS=( conformance_resumable_tasks ) # Bug #864175
+	fi
+	cmake-multilib_src_test
+}
diff --git a/dev-cpp/tbb/tbb-2022.1.0.ebuild b/dev-cpp/tbb/tbb-2022.1.0.ebuild
index cfff646ce21bd..71bca17587ad0 100644
--- a/dev-cpp/tbb/tbb-2022.1.0.ebuild
+++ b/dev-cpp/tbb/tbb-2022.1.0.ebuild
@@ -1,4 +1,4 @@
-# Copyright 1999-2025 Gentoo Authors
+# Copyright 1999-2026 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=8
@@ -49,3 +49,11 @@ src_configure() {
 
 	cmake-multilib_src_configure
 }
+
+src_test() {
+	local CMAKE_SKIP_TESTS=()
+	if use elibc_musl; then
+		CMAKE_SKIP_TESTS=( conformance_resumable_tasks ) # Bug #864175
+	fi
+	cmake-multilib_src_test
+}
diff --git a/dev-cpp/tbb/tbb-2022.3.0.ebuild b/dev-cpp/tbb/tbb-2022.3.0.ebuild
index a1e07f99581eb..a4d5e9ff1a822 100644
--- a/dev-cpp/tbb/tbb-2022.3.0.ebuild
+++ b/dev-cpp/tbb/tbb-2022.3.0.ebuild
@@ -1,4 +1,4 @@
-# Copyright 1999-2025 Gentoo Authors
+# Copyright 1999-2026 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=8
@@ -50,3 +50,11 @@ src_configure() {
 
 	cmake-multilib_src_configure
 }
+
+src_test() {
+	local CMAKE_SKIP_TESTS=()
+	if use elibc_musl; then
+		CMAKE_SKIP_TESTS=( conformance_resumable_tasks ) # Bug #864175
+	fi
+	cmake-multilib_src_test
+}