diff --git a/ci/Dockerfile b/ci/Dockerfile
index dceaaf7..e72fe09 100644
--- a/ci/Dockerfile
+++ b/ci/Dockerfile
@@ -131,7 +131,7 @@ RUN git clone --shallow-since="$GIT_DATE" https://github.com/KhronosGroup/VK-GL-
 WORKDIR /
 
 ARG KNOWN_GOOD_PIGLIT
-ENV KNOWN_GOOD_PIGLIT ${KNOWN_GOOD_PIGLIT:-603cfb97542a411e8957a0d689d8b28cf8b9ef4d}
+ENV KNOWN_GOOD_PIGLIT ${KNOWN_GOOD_PIGLIT:-645e15dc84fb48c1f270e322af61d7c716f1c45c}
 WORKDIR /piglit
 RUN git clone --shallow-since="$GIT_DATE" https://gitlab.freedesktop.org/mesa/piglit.git . && \
     git checkout ${KNOWN_GOOD_PIGLIT} && \
diff --git a/ci/previous_results/es_host_softpipe/piglit_gles3/results.txt b/ci/previous_results/es_host_softpipe/piglit_gles3/results.txt
index 2e37fe8..614788b 100644
--- a/ci/previous_results/es_host_softpipe/piglit_gles3/results.txt
+++ b/ci/previous_results/es_host_softpipe/piglit_gles3/results.txt
@@ -11,7 +11,6 @@ spec/!opengl es 3.0/oes_compressed_etc2_texture-miptree_gles3 srgb8-punchthrough
 spec/amd_framebuffer_multisample_advanced/api-gles3: skip
 spec/arb_blend_func_extended/arb_blend_func_extended-bindfragdataindexed-invalid-parameters_gles3: pass
 spec/arb_blend_func_extended/arb_blend_func_extended-dual-src-blending-discard-without-src1_gles3: pass
-spec/arb_blend_func_extended/arb_blend_func_extended-dual-src-blending-issue-1917_gles3: pass
 spec/arb_blend_func_extended/arb_blend_func_extended-fbo-extended-blend-explicit_gles3: pass
 spec/arb_blend_func_extended/arb_blend_func_extended-fbo-extended-blend-pattern_gles3: pass
 spec/arb_blend_func_extended/arb_blend_func_extended-fbo-extended-blend_gles3: pass
diff --git a/ci/previous_results/gl_host_softpipe/piglit_gles3/results.txt b/ci/previous_results/gl_host_softpipe/piglit_gles3/results.txt
index 2e37fe8..614788b 100644
--- a/ci/previous_results/gl_host_softpipe/piglit_gles3/results.txt
+++ b/ci/previous_results/gl_host_softpipe/piglit_gles3/results.txt
@@ -11,7 +11,6 @@ spec/!opengl es 3.0/oes_compressed_etc2_texture-miptree_gles3 srgb8-punchthrough
 spec/amd_framebuffer_multisample_advanced/api-gles3: skip
 spec/arb_blend_func_extended/arb_blend_func_extended-bindfragdataindexed-invalid-parameters_gles3: pass
 spec/arb_blend_func_extended/arb_blend_func_extended-dual-src-blending-discard-without-src1_gles3: pass
-spec/arb_blend_func_extended/arb_blend_func_extended-dual-src-blending-issue-1917_gles3: pass
 spec/arb_blend_func_extended/arb_blend_func_extended-fbo-extended-blend-explicit_gles3: pass
 spec/arb_blend_func_extended/arb_blend_func_extended-fbo-extended-blend-pattern_gles3: pass
 spec/arb_blend_func_extended/arb_blend_func_extended-fbo-extended-blend_gles3: pass