diff --git a/.github/workflows/postgresql-15-build.yml b/.github/workflows/postgresql-15-build.yml
new file mode 100644
index 0000000..97c3731
--- /dev/null
+++ b/.github/workflows/postgresql-15-build.yml
@@ -0,0 +1,121 @@
+name: postgresql-15-build
+on: ["push", "pull_request"]
+
+jobs:
+  build:
+    name: pg-15-build-test
+    runs-on: ubuntu-22.04
+    steps:
+      - name: Clone postgres repository
+        uses: actions/checkout@v2
+        with:
+          repository: 'postgres/postgres'
+          ref: 'REL_15_STABLE'
+
+      - name: Install dependencies
+        run: |
+          sudo apt-get update
+          sudo apt purge postgresql-client-common postgresql-common postgresql postgresql*
+          sudo apt-get install libreadline6-dev systemtap-sdt-dev zlib1g-dev libssl-dev libpam0g-dev python3-dev bison flex libipc-run-perl -y docbook-xsl docbook-xsl
+          sudo apt-get install -y libxml2 libxml2-utils libxml2-dev libxslt-dev xsltproc libkrb5-dev libldap2-dev libsystemd-dev gettext tcl-dev libperl-dev
+          sudo apt-get install -y pkg-config clang-11 llvm-11 llvm-11-dev libselinux1-dev uuid-dev liblz4-dev
+          sudo rm -rf /var/lib/postgresql/
+          sudo rm -rf /var/log/postgresql/
+          sudo rm -rf /etc/postgresql/
+          sudo rm -rf /usr/lib/postgresql
+          sudo rm -rf /usr/include/postgresql
+          sudo rm -rf /usr/share/postgresql
+          sudo rm -rf /etc/postgresql
+          sudo rm -f /usr/bin/pg_config
+          sudo /usr/bin/perl -MCPAN -e 'install IPC::RUN'
+          sudo /usr/bin/perl -MCPAN -e 'install String::Util'
+          sudo /usr/bin/perl -MCPAN -e 'install Data::Str2Num'
+
+      - name: Create pgsql dir
+        run: mkdir -p /opt/pgsql
+
+      - name: Build postgres
+        run: |
+          export PATH="/opt/pgsql/bin:$PATH"
+          ./configure '--build=x86_64-linux-gnu' '--prefix=/usr' '--includedir=${prefix}/include' \
+            '--mandir=${prefix}/share/man' '--infodir=${prefix}/share/info' \
+            '--sysconfdir=/etc' '--localstatedir=/var' \
+            '--libdir=${prefix}/lib/x86_64-linux-gnu' \
+            '--libexecdir=${prefix}/lib/x86_64-linux-gnu' \
+            '--with-icu' '--with-tcl' '--with-perl' \
+            '--with-python' '--with-pam' '--with-openssl' '--with-libxml' '--with-libxslt' \
+            'PYTHON=/usr/bin/python3' '--mandir=/usr/share/postgresql/15/man' \
+            '--docdir=/usr/share/doc/postgresql-doc-15' \
+            '--sysconfdir=/etc/postgresql-common' '--datarootdir=/usr/share/' \
+            '--datadir=/usr/share/postgresql/15' '--bindir=/usr/lib/postgresql/15/bin' \
+            '--libdir=/usr/lib/x86_64-linux-gnu/' '--libexecdir=/usr/lib/postgresql/' \
+            '--includedir=/usr/include/postgresql/' \
+            '--enable-nls' '--enable-thread-safety' '--enable-tap-tests' '--enable-debug' \
+            '--enable-dtrace' '--disable-rpath' '--with-uuid=e2fs' '--with-gnu-ld' \
+            '--with-pgport=5432' '--with-system-tzdata=/usr/share/zoneinfo' '--with-llvm' \
+            'LLVM_CONFIG=/usr/bin/llvm-config-11' 'CLANG=/usr/bin/clang-11' \
+            '--with-systemd' '--with-selinux' 'MKDIR_P=/bin/mkdir -p' 'PROVE=/usr/bin/prove' \
+            'TAR=/bin/tar' 'XSLTPROC=xsltproc --nonet' 'CFLAGS=-g -O2 -fstack-protector-strong -Wformat -Werror=format-security -fno-omit-frame-pointer' \
+            'LDFLAGS=-Wl,-Bsymbolic-functions -Wl,-z,relro -Wl,-z,now' '--with-gssapi' '--with-ldap' \
+            'build_alias=x86_64-linux-gnu' 'CPPFLAGS=-Wdate-time -D_FORTIFY_SOURCE=2' \
+            'CXXFLAGS=-g -O2 -fstack-protector-strong -Wformat -Werror=format-security'
+           make world
+           sudo make install-world
+
+      - name: Start postgresql cluster
+        run: |
+           /usr/lib/postgresql/15/bin/initdb -D /opt/pgsql/data
+           /usr/lib/postgresql/15/bin/pg_ctl -D /opt/pgsql/data -l logfile start
+
+      - name: Clone pg_stat_monitor repository
+        uses: actions/checkout@v2
+        with:
+          path: 'src/pg_stat_monitor'
+
+      - name: Build pg_stat_monitor
+        run: |
+          export PATH="/usr/lib/postgresql/15/bin:$PATH"
+          sudo cp /usr/lib/postgresql/15/bin/pg_config /usr/bin
+          make USE_PGXS=1
+          sudo make USE_PGXS=1 install
+        working-directory: src/pg_stat_monitor/
+
+      - name: Load pg_stat_monitor library and Restart Server
+        run: |
+          /usr/lib/postgresql/15/bin/pg_ctl -D /opt/pgsql/data -l logfile stop
+          echo "shared_preload_libraries = 'pg_stat_monitor'" >> /opt/pgsql/data/postgresql.conf
+          /usr/lib/postgresql/15/bin/pg_ctl -D /opt/pgsql/data -l logfile start
+        working-directory: src/pg_stat_monitor/
+
+      - name: Start pg_stat_monitor_tests
+        run: |
+          make installcheck
+        working-directory: src/pg_stat_monitor/
+
+      - name: Change dir permissions on fail
+        if: ${{ failure() }}
+        run: |
+          sudo chmod -R ugo+rwx t
+          sudo chmod -R ugo+rwx tmp_check
+          exit 2 # regenerate error so that we can upload files in next step
+        working-directory: src/pg_stat_monitor/
+
+      - name: Upload logs on fail
+        if: ${{ failure() }}
+        uses: actions/upload-artifact@v2
+        with:
+          name: Regressions diff and postgresql log
+          path: |
+            src/pg_stat_monitor/regression.diffs
+            src/pg_stat_monitor/regression.out
+            src/pg_stat_monitor/logfile
+            src/pg_stat_monitor/t/results/
+            src/pg_stat_monitor/tmp_check/log/
+            !src/pg_stat_monitor/tmp_check/**/archives/*
+            !src/pg_stat_monitor/tmp_check/**/backup/*
+            !src/pg_stat_monitor/tmp_check/**/pgdata/*
+            !src/pg_stat_monitor/tmp_check/**/archives/
+            !src/pg_stat_monitor/tmp_check/**/backup/
+            !src/pg_stat_monitor/tmp_check/**/pgdata/
+          if-no-files-found: warn
+          retention-days: 3