diff --git a/examples/MODULE.bazel b/examples/MODULE.bazel
index c674565..4371684 100644
--- a/examples/MODULE.bazel
+++ b/examples/MODULE.bazel
@@ -116,7 +116,7 @@ gcc.toolchain(
 # *******************************************************************************
 gcc.toolchain(
     name = "score_qcc_toolchain",
-    sdp_version = "8.0.3",
+    sdp_version = "8.0.4",
     target_cpu = "x86_64",
     target_os = "qnx",
     use_default_package = True,
diff --git a/examples/MODULE.bazel.lock b/examples/MODULE.bazel.lock
index bbfa96d..2ececf1 100644
--- a/examples/MODULE.bazel.lock
+++ b/examples/MODULE.bazel.lock
@@ -2054,8 +2054,8 @@
     },
     "@@score_bazel_cpp_toolchains+//extensions:gcc.bzl%gcc": {
       "general": {
-        "bzlTransitiveDigest": "S3P8j4x4Dv6bMa6UG1VGbWiXBX2JINdnL5NIbj36NsA=",
-        "usagesDigest": "unK8CU54SxQZb3A5+/fOy5ZHARy5jWDy5NpNfcCVyNA=",
+        "bzlTransitiveDigest": "iHllDaAh23UGIAhthWRzzGTXxg8CEpo6eu2u8j8xep0=",
+        "usagesDigest": "UGWjRneAyNFej8g6SWlPfmeiX8/dwQzCLxr5gub4nN4=",
         "recordedFileInputs": {},
         "recordedDirentsInputs": {},
         "envVariables": {},
@@ -2108,10 +2108,10 @@
             "repoRuleId": "@@bazel_tools//tools/build_defs/repo:http.bzl%http_archive",
             "attributes": {
               "urls": [
-                "https://www.qnx.com/download/download/87174/installation_qnx_803_260305.tar.xz"
+                "https://www.qnx.com/download/download/88447/installation_qnx_804_260520.tar.xz"
               ],
               "build_file": "@@score_bazel_cpp_toolchains+//packages/qnx/x86_64/sdp/8.0.0:sdp.BUILD",
-              "sha256": "9039fd6a4a639f06ea977afb93963a6fe8f8c46db727066709370d999c7232e0",
+              "sha256": "146312c0bf22aab66e8294a06403f2ec6cfeeb074d8fa11549faffd84b7fe778",
               "strip_prefix": ""
             }
           },
@@ -2261,7 +2261,7 @@
               "license_info_value": "",
               "license_path": "/opt/score_qnx/license/licenses",
               "sdk_version": "",
-              "sdp_version": "8.0.3",
+              "sdp_version": "8.0.4",
               "tc_compiler_library_search_paths": [],
               "tc_cpu": "x86_64",
               "tc_identifier": "sdp_8.0.0",
diff --git a/extensions/gcc.bzl b/extensions/gcc.bzl
index 102b5d9..5b00c28 100644
--- a/extensions/gcc.bzl
+++ b/extensions/gcc.bzl
@@ -272,7 +272,7 @@ def _resolve_identifier(toolchain_info):
         version = toolchain_info["sdk_version"]
     elif toolchain_info["sdp_version"] != "":
         identifier = "sdp"
-        version = "8.0.0" if toolchain_info["sdp_version"] == "8.0.3" else toolchain_info["sdp_version"]  # FIXME: currently we do not support constraint "8.0.3".
+        version = "8.0.0" if toolchain_info["sdp_version"] == "8.0.4" else toolchain_info["sdp_version"]  # FIXME: currently we do not support constraint "8.0.4".
 
     return "{}_{}".format(identifier, version)
 
diff --git a/packages/version_matrix.bzl b/packages/version_matrix.bzl
index 8a6cbb3..9e96d6e 100644
--- a/packages/version_matrix.bzl
+++ b/packages/version_matrix.bzl
@@ -73,11 +73,11 @@ VERSION_MATRIX = {
         "url": "https://www.qnx.com/download/download/79858/installation.tgz",
         "gcc_version": "12.2.0",
     },
-    "aarch64-qnx-sdp_8.0.3": {
+    "aarch64-qnx-sdp_8.0.4": {
         "build_file": "@score_bazel_cpp_toolchains//packages/qnx/aarch64/sdp/8.0.0:sdp.BUILD",
-        "sha256": "9039fd6a4a639f06ea977afb93963a6fe8f8c46db727066709370d999c7232e0",
+        "sha256": "146312c0bf22aab66e8294a06403f2ec6cfeeb074d8fa11549faffd84b7fe778",
         "strip_prefix": "",
-        "url": "https://www.qnx.com/download/download/87174/installation_qnx_803_260305.tar.xz",
+        "url": "https://www.qnx.com/download/download/88447/installation_qnx_804_260520.tar.xz",
         "gcc_version": "12.2.0",
     },
     "x86_64-linux-gcc_12.2.0": {
@@ -200,11 +200,11 @@ VERSION_MATRIX = {
         "url": "https://www.qnx.com/download/download/79858/installation.tgz",
         "gcc_version": "12.2.0",
     },
-    "x86_64-qnx-sdp_8.0.3": {
+    "x86_64-qnx-sdp_8.0.4": {
         "build_file": "@score_bazel_cpp_toolchains//packages/qnx/x86_64/sdp/8.0.0:sdp.BUILD",
-        "sha256": "9039fd6a4a639f06ea977afb93963a6fe8f8c46db727066709370d999c7232e0",
+        "sha256": "146312c0bf22aab66e8294a06403f2ec6cfeeb074d8fa11549faffd84b7fe778",
         "strip_prefix": "",
-        "url": "https://www.qnx.com/download/download/87174/installation_qnx_803_260305.tar.xz",
+        "url": "https://www.qnx.com/download/download/88447/installation_qnx_804_260520.tar.xz",
         "gcc_version": "12.2.0",
     },
 }
diff --git a/rules/gcc.bzl b/rules/gcc.bzl
index 576617e..891406b 100644
--- a/rules/gcc.bzl
+++ b/rules/gcc.bzl
@@ -180,7 +180,7 @@ def _impl(rctx):
             "%{license_info_value}": rctx.attr.license_info_value,
             "%{license_info_variable}": rctx.attr.license_info_variable,
             "%{license_path}": rctx.attr.license_path,
-            "%{sdp_version}": "8.0.0" if rctx.attr.sdp_version == "8.0.3" else rctx.attr.sdp_version,  # FIXME: currently we do not support constraint "8.0.3".
+            "%{sdp_version}": "8.0.0" if rctx.attr.sdp_version == "8.0.4" else rctx.attr.sdp_version,  # FIXME: currently we do not support constraint "8.0.4".
             "%{tc_cpu_cxx}": "aarch64le" if rctx.attr.tc_cpu == "aarch64" else rctx.attr.tc_cpu,
             "%{use_license_info}": "False" if rctx.attr.license_info_value == "" else "True",
         }