diff --git a/hecl/extern/boo b/hecl/extern/boo
index 66cf60ea5..af5024014 160000
--- a/hecl/extern/boo
+++ b/hecl/extern/boo
@@ -1 +1 @@
-Subproject commit 66cf60ea558d62353fb48c753710ff84c948b013
+Subproject commit af5024014394ad5457280060a3055dab041927a2
diff --git a/hecl/extern/libSquish b/hecl/extern/libSquish
index b3bbfee51..96c520ed9 160000
--- a/hecl/extern/libSquish
+++ b/hecl/extern/libSquish
@@ -1 +1 @@
-Subproject commit b3bbfee51d3f01debbb6b09cbf80897c31f135c1
+Subproject commit 96c520ed950682d113953f570fbd10a485cc0e8a
diff --git a/hecl/include/hecl/Backend/Backend.hpp b/hecl/include/hecl/Backend/Backend.hpp
index 56f007403..63886d384 100644
--- a/hecl/include/hecl/Backend/Backend.hpp
+++ b/hecl/include/hecl/Backend/Backend.hpp
@@ -259,8 +259,10 @@ inline boo::AdditionalPipelineInfo ShaderTag::additionalInfo(const ExtensionSlot
     break;
   }
 
-  return {boo::BlendFactor((ext.srcFactor == BlendFactor::Original) ? blendFactors.first : ext.srcFactor),
-          boo::BlendFactor((ext.dstFactor == BlendFactor::Original) ? blendFactors.second : ext.dstFactor),
+  BlendFactor srcFactor = m_alphaTest ? BlendFactor::One : blendFactors.first;
+  BlendFactor dstFactor = m_alphaTest ? BlendFactor::Zero : blendFactors.second;
+  return {boo::BlendFactor((ext.srcFactor == BlendFactor::Original) ? srcFactor : ext.srcFactor),
+          boo::BlendFactor((ext.dstFactor == BlendFactor::Original) ? dstFactor : ext.dstFactor),
           getPrimType(),
           zTest,
           ext.noDepthWrite ? false : getDepthWrite(),
diff --git a/hecl/lib/Backend/GLSL.cpp b/hecl/lib/Backend/GLSL.cpp
index 6fa2687a4..f3e48e88d 100644
--- a/hecl/lib/Backend/GLSL.cpp
+++ b/hecl/lib/Backend/GLSL.cpp
@@ -127,7 +127,7 @@ std::string GLSL::GenerateVertUniformStruct(unsigned skinSlots, bool reflectionC
 }
 
 std::string GLSL::GenerateAlphaTest() const {
-  return "    if (colorOut.a < 0.01)\n"
+  return "    if (colorOut.a < 0.25)\n"
          "    {\n"
          "        discard;\n"
          "    }\n";
diff --git a/hecl/lib/Backend/HLSL.cpp b/hecl/lib/Backend/HLSL.cpp
index db41c3b1e..064a57351 100644
--- a/hecl/lib/Backend/HLSL.cpp
+++ b/hecl/lib/Backend/HLSL.cpp
@@ -123,7 +123,7 @@ std::string HLSL::GenerateVertUniformStruct(unsigned skinSlots, bool reflectionC
 }
 
 std::string HLSL::GenerateAlphaTest() const {
-  return "    if (colorOut.a < 0.01)\n"
+  return "    if (colorOut.a < 0.25)\n"
          "    {\n"
          "        discard;\n"
          "    }\n";
diff --git a/hecl/lib/Backend/Metal.cpp b/hecl/lib/Backend/Metal.cpp
index f3e2b2416..c1c20421d 100644
--- a/hecl/lib/Backend/Metal.cpp
+++ b/hecl/lib/Backend/Metal.cpp
@@ -123,7 +123,7 @@ std::string Metal::GenerateFragOutStruct() const {
 }
 
 std::string Metal::GenerateAlphaTest() const {
-  return "    if (out.color.a < 0.01)\n"
+  return "    if (out.color.a < 0.25)\n"
          "    {\n"
          "        discard_fragment();\n"
          "    }\n";