diff --git a/.github/workflows/test_linux.yml b/.github/workflows/test_linux.yml
index 23510340..690e909d 100644
--- a/.github/workflows/test_linux.yml
+++ b/.github/workflows/test_linux.yml
@@ -16,16 +16,16 @@ jobs:
       matrix:
         cfg:
 #-------- Operating Systems ----------------
-          - { os: ubuntu,      tag: 18.04,   arch: debian, arch_ver: 10 }
-          - { os: ubuntu,      tag: 20.04,   arch: debian, arch_ver: 11 }
-          - { os: ubuntu,      tag: 22.04,   arch: debian, arch_ver: 12 }
-          - { os: debian,      tag: 10,      arch: debian, arch_ver: 10 }
-          - { os: debian,      tag: 11,      arch: debian, arch_ver: 11 }
-          - { os: debian,      tag: 12,      arch: debian, arch_ver: 12 }
-          - { os: centos,      tag: 7,       arch: rhel,   arch_ver: 7  }
-          - { os: rockylinux,  tag: 8,       arch: rhel,   arch_ver: 8  }
-          - { os: oraclelinux, tag: 8,       arch: rhel,   arch_ver: 8  }
-          - { os: almalinux,   tag: 8,       arch: rhel,   arch_ver: 8  }
+          - { os: ubuntu,      tag: 18.04,    arch: debian, arch_ver: 10 }
+          - { os: ubuntu,      tag: 20.04,    arch: debian, arch_ver: 11 }
+          - { os: ubuntu,      tag: 22.04,    arch: debian, arch_ver: 12 }
+          - { os: debian,      tag: 10,       arch: debian, arch_ver: 10 }
+          - { os: debian,      tag: 11,       arch: debian, arch_ver: 11 }
+          - { os: debian,      tag: bookworm, arch: debian, arch_ver: 12 }
+          - { os: centos,      tag: 7,        arch: rhel,   arch_ver: 7  }
+          - { os: rockylinux,  tag: 8,        arch: rhel,   arch_ver: 8  }
+          - { os: oraclelinux, tag: 8,        arch: rhel,   arch_ver: 8  }
+          - { os: almalinux,   tag: 8,        arch: rhel,   arch_ver: 8  }
         python: [2, 3]
 
 #-------- Defaults --------------------------