diff --git a/.gitignore b/.gitignore
index 15ae08c..6ff2449 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,6 @@
+SOURCES/cjs-module-lexer-1.2.2.tar.gz
 SOURCES/icu4c-71_1-src.tgz
-SOURCES/node-v18.6.0-stripped.tar.gz
+SOURCES/node-v18.8.0-stripped.tar.gz
+SOURCES/undici-5.8.2.tar.gz
+SOURCES/wasi-sdk-wasi-sdk-11.tar.gz
+SOURCES/wasi-sdk-wasi-sdk-14.tar.gz
diff --git a/.nodejs.metadata b/.nodejs.metadata
index 2a90853..dd3e006 100644
--- a/.nodejs.metadata
+++ b/.nodejs.metadata
@@ -1,2 +1,6 @@
+6976e77068429bd0b47b573793289e065ceb6b27 SOURCES/cjs-module-lexer-1.2.2.tar.gz
 406b0c8635288b772913b6ff646451e69748878a SOURCES/icu4c-71_1-src.tgz
-a82035bca2c75dd8321015463bd73996a0842a1c SOURCES/node-v18.6.0-stripped.tar.gz
+8b2134f2d551e4830a5f8b0d376b42a35f478a1b SOURCES/node-v18.8.0-stripped.tar.gz
+29a0b677c4dad6f3976e8c139c459fc49dc608b4 SOURCES/undici-5.8.2.tar.gz
+8979d177dd62e3b167a6fd7dc7185adb0128c439 SOURCES/wasi-sdk-wasi-sdk-11.tar.gz
+900a50a32f0079d53c299db92b88bb3c5d2022b8 SOURCES/wasi-sdk-wasi-sdk-14.tar.gz
diff --git a/SPECS/nodejs.spec b/SPECS/nodejs.spec
index 6218986..3984838 100644
--- a/SPECS/nodejs.spec
+++ b/SPECS/nodejs.spec
@@ -41,7 +41,7 @@
 # than a Fedora release lifecycle.
 %global nodejs_epoch 1
 %global nodejs_major 18
-%global nodejs_minor 6
+%global nodejs_minor 8
 %global nodejs_patch 0
 %global nodejs_abi %{nodejs_major}.%{nodejs_minor}
 # nodejs_soversion - from NODE_MODULE_VERSION in src/node_version.h
@@ -134,8 +134,8 @@
 # npm - from deps/npm/package.json
 %global npm_epoch 1
 %global npm_major 8
-%global npm_minor 13
-%global npm_patch 2
+%global npm_minor 18
+%global npm_patch 0
 %global npm_version %{npm_major}.%{npm_minor}.%{npm_patch}
 
 # uvwasi - from deps/uvwasi/include/uvwasi.h
@@ -184,6 +184,26 @@ Source100: %{name}-tarball.sh
 # nodejs-packaging SRPM.
 Source7: nodejs_native.attr
 
+# These are full sources for dependencies included as WASM blobs in the source of Node itself.
+# Note: These sources would also include pre-compiled WASM blobs… so they are adjusted not to.
+# Recipes for creating these blobs are included in the sources.
+
+# Version: jq '.version' deps/cjs-module-lexer/package.json
+# Original: https://github.com/nodejs/cjs-module-lexer/archive/refs/tags/1.2.2.tar.gz
+# Adjustments: rm -f cjs-module-lexer-1.2.2/lib/lexer.wasm
+Source101: cjs-module-lexer-1.2.2.tar.gz
+# The WASM blob was made using wasi-sdk v11; compiler libraries are linked in.
+# Version source: Makefile
+Source102: https://github.com/WebAssembly/wasi-sdk/archive/wasi-sdk-11/wasi-sdk-wasi-sdk-11.tar.gz
+
+# Version: jq '.version' deps/undici/src/package.json
+# Original: https://github.com/nodejs/undici/archive/refs/tags/v5.8.2.tar.gz
+# Adjustments: rm -f undici-5.8.2/lib/llhttp/llhttp*.wasm*
+Source111: undici-5.8.2.tar.gz
+# The WASM blob was made using wasi-sdk v14; compiler libraries are linked in.
+# Version source: build/Dockerfile
+Source112: https://github.com/WebAssembly/wasi-sdk/archive/wasi-sdk-14/wasi-sdk-wasi-sdk-14.tar.gz
+
 # Disable running gyp on bundled deps we don't use
 Patch1: 0001-Disable-running-gyp-on-shared-deps.patch
 
@@ -674,6 +694,7 @@ end
 %doc %{_mandir}/man5/package-lock-json.5*
 %doc %{_mandir}/man5/npm-shrinkwrap-json.5*
 %doc %{_mandir}/man7/config.7*
+%doc %{_mandir}/man7/dependency-selectors.7*
 %doc %{_mandir}/man7/developers.7*
 %doc %{_mandir}/man7/logging.7*
 %doc %{_mandir}/man7/orgs.7*
@@ -693,6 +714,10 @@ end
 
 
 %changelog
+* Fri Aug 26 2022 Jan Staněk <jstanek@redhat.com> - 1:18.8.0-1
+- Rebase to version 18.8.0
+- Include sources for WASM blobs
+
 * Fri Jul 15 2022 Jan Staněk <jstanek@redhat.com> - 1:18.6.0-1
 - Rebase to version 18.6.0
   Resolves: CVE-2022-32212 CVE-2022-32213 CVE-2022-32214 CVE-2022-32215