diff --git a/README.md b/README.md
index d45e7bd..14ea56e 100644
--- a/README.md
+++ b/README.md
@@ -147,7 +147,7 @@ annotations as defined by the [OCI Image Format Specification](https://github.co
 | `org.opencontainers.image.title` | Human-readable image title |
 | `org.opencontainers.image.description` | Image description |
 | `org.opencontainers.image.source` | Source repository URL |
-| `org.opencontainers.image.licenses` | License identifier (Apache-2.0) |
+| `org.opencontainers.image.licenses` | License identifier |
 
 You can inspect these labels using container tools:
 
diff --git a/docker-bake.hcl b/docker-bake.hcl
index 738268d..fa66d20 100644
--- a/docker-bake.hcl
+++ b/docker-bake.hcl
@@ -74,7 +74,7 @@ target "default" {
     "index,manifest:org.opencontainers.image.description=A ${metadata.name} ${getExtensionVersion(distro, pgVersion)} container image for PostgreSQL ${pgVersion} on ${distro}",
     "index,manifest:org.opencontainers.image.documentation=${url}",
     "index,manifest:org.opencontainers.image.authors=${authors}",
-    "index,manifest:org.opencontainers.image.licenses=Apache-2.0",
+    "index,manifest:org.opencontainers.image.licenses=${metadata.licenses}",
     "index,manifest:org.opencontainers.image.base.name=scratch",
     "index,manifest:io.cloudnativepg.image.base.name=${getBaseImage(distro, pgVersion)}",
     "index,manifest:io.cloudnativepg.image.base.pgmajor=${pgVersion}",
@@ -91,7 +91,7 @@ target "default" {
     "org.opencontainers.image.description" = "A ${metadata.name} ${getExtensionVersion(distro, pgVersion)} container image for PostgreSQL ${pgVersion} on ${distro}",
     "org.opencontainers.image.documentation" = "${url}",
     "org.opencontainers.image.authors" = "${authors}",
-    "org.opencontainers.image.licenses" = "Apache-2.0",
+    "org.opencontainers.image.licenses" = "${metadata.licenses}",
     "org.opencontainers.image.base.name" = "scratch",
     "io.cloudnativepg.image.base.name" = "${getBaseImage(distro, pgVersion)}",
     "io.cloudnativepg.image.base.pgmajor" = "${pgVersion}",
diff --git a/pgaudit/metadata.hcl b/pgaudit/metadata.hcl
index 35a4670..132af0d 100644
--- a/pgaudit/metadata.hcl
+++ b/pgaudit/metadata.hcl
@@ -2,6 +2,7 @@ metadata = {
   name                     = "pgaudit"
   sql_name                 = "pgaudit"
   image_name               = "pgaudit"
+  licenses                 = "PostgreSQL"
   shared_preload_libraries = ["pgaudit"]
   extension_control_path   = []
   dynamic_library_path     = []
diff --git a/pgvector/metadata.hcl b/pgvector/metadata.hcl
index afb37f3..a170751 100644
--- a/pgvector/metadata.hcl
+++ b/pgvector/metadata.hcl
@@ -2,6 +2,7 @@ metadata = {
   name                     = "pgvector"
   sql_name                 = "vector"
   image_name               = "pgvector"
+  licenses                 = "PostgreSQL"
   shared_preload_libraries = []
   extension_control_path   = []
   dynamic_library_path     = []
diff --git a/postgis/metadata.hcl b/postgis/metadata.hcl
index 0f555fb..ecaabce 100644
--- a/postgis/metadata.hcl
+++ b/postgis/metadata.hcl
@@ -2,6 +2,16 @@ metadata = {
   name                     = "postgis"
   sql_name                 = "postgis"
   image_name               = "postgis-extension"
+  licenses = <<-EOT
+    Apache-2.0 AND blessing AND BSD-2-Clause AND BSD-3-Clause AND
+    BSD-3-Clause-Clear AND BSD-3-Clause-LBNL AND BSD-4-Clause-UC AND
+    BSL-1.0 AND CC-BY-3.0 AND CC-BY-4.0 AND CC-BY-SA-3.0 AND cURL AND
+    FTL AND GPL-2.0 AND GPL-3.0 AND HDF5 AND HPND-sell-variant AND
+    IJG AND Info-ZIP AND ISC AND LGPL-2.1 AND Libpng AND libtiff AND
+    MIT AND MIT-Modern-Variant AND MPL-1.1 AND OpenLDAP-2.8 AND
+    PostgreSQL AND Spencer-86 AND SPL-1.0 AND Unicode-DFS-2015 AND
+    Unlicense AND X11 AND Zlib
+  EOT
   shared_preload_libraries = []
   extension_control_path   = []
   dynamic_library_path     = []
diff --git a/templates/metadata.hcl.tmpl b/templates/metadata.hcl.tmpl
index e34eaf3..a916e7c 100644
--- a/templates/metadata.hcl.tmpl
+++ b/templates/metadata.hcl.tmpl
@@ -9,6 +9,12 @@ metadata = {
   # it identifies the image (e.g. ghcr.io/cloudnative-pg/<image_name>)
   image_name               = "{{ .Name }}"
 
+  # TODO: Remove this comment block after customizing the file.
+  # `licenses`: The SPDX license identifier(s) for the extension software.
+  # Examples: "Apache-2.0", "PostgreSQL", "GPL-2.0-only".
+  # See: https://spdx.org/licenses/
+  licenses                 = "Apache-2.0"
+
   # TODO: Remove this comment block after customizing the file.
   # `shared_preload_libraries`: list libraries to be added to
   # `shared_preload_libraries` in Postgres. Usually empty.