diff --git a/.github/workflows/PR-5.x.yaml b/.github/workflows/PR-5.x.yaml
index 805a30e96d..77b087cd69 100644
--- a/.github/workflows/PR-5.x.yaml
+++ b/.github/workflows/PR-5.x.yaml
@@ -14,6 +14,9 @@ jobs:
   Linux-no-HAL:
     uses: opencv/ci-gha-workflow/.github/workflows/OCV-PR-Linux-NoHAL.yaml@main
 
+  Linux-Apline:
+    uses: opencv/ci-gha-workflow/.github/workflows/OCV-PR-Linux-Alpine.yaml@main
+
   Windows:
     uses: opencv/ci-gha-workflow/.github/workflows/OCV-PR-Windows.yaml@main
     with:
diff --git a/modules/ptcloud/test/test_normal.cpp b/modules/ptcloud/test/test_normal.cpp
index 6917dea7e9..0bcbc665ac 100644
--- a/modules/ptcloud/test/test_normal.cpp
+++ b/modules/ptcloud/test/test_normal.cpp
@@ -627,7 +627,7 @@ TEST_P(RenderedNormals, check)
 
 INSTANTIATE_TEST_CASE_P(RGBD_Normals, RenderedNormals, ::testing::Combine(::testing::Values(CV_32F, CV_64F),
                                                                           ::testing::Values(
-    NormalComputerThresholds { RgbdNormals::RGBD_NORMALS_METHOD_FALS,          {  81.8213,     0}},
+    NormalComputerThresholds { RgbdNormals::RGBD_NORMALS_METHOD_FALS,          {  81.8218,     0}},
     NormalComputerThresholds { RgbdNormals::RGBD_NORMALS_METHOD_LINEMOD,       { 107.2710, 29168}},
     NormalComputerThresholds { RgbdNormals::RGBD_NORMALS_METHOD_SRI,           {  73.2027, 17693}},
     NormalComputerThresholds { RgbdNormals::RGBD_NORMALS_METHOD_CROSS_PRODUCT, {  57.9832,  2531}}),