diff --git a/.circleci/config.yml b/.circleci/config.yml
index d586cb29..98099e29 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -8,7 +8,7 @@ executors:
   # This must match .promu.yml.
   golang:
     docker:
-    - image: cimg/go:1.20
+    - image: cimg/go:1.21
 
 jobs:
   test:
@@ -57,12 +57,12 @@ workflows:
         matrix:
           parameters:
             postgres_image:
-            - circleci/postgres:10
             - circleci/postgres:11
             - circleci/postgres:12
             - circleci/postgres:13
-            - cimg/postgres:14.1
-            - cimg/postgres:15.1
+            - cimg/postgres:14.9
+            - cimg/postgres:15.4
+            - cimg/postgres:16.0
     - prometheus/build:
         name: build
         parallelism: 3
diff --git a/.promu.yml b/.promu.yml
index 55c73712..dbad0ba9 100644
--- a/.promu.yml
+++ b/.promu.yml
@@ -1,13 +1,12 @@
 go:
     # This must match .circle/config.yml.
-    version: 1.20
+    version: 1.21
 repository:
     path: github.com/prometheus-community/postgres_exporter
 build:
     binaries:
         - name: postgres_exporter
           path: ./cmd/postgres_exporter
-    flags: -a -tags 'netgo static_build'
     ldflags: |
         -X github.com/prometheus/common/version.Version={{.Version}}
         -X github.com/prometheus/common/version.Revision={{.Revision}}
diff --git a/CHANGELOG.md b/CHANGELOG.md
index f55bde53..4d17f536 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,10 @@
+## 0.15.0 / 2023-10-27
+
+* [ENHANCEMENT] Add 1kB and 2kB units #915
+* [BUGFIX] Add error log when probe collector creation fails #918
+* [BUGFIX] Fix test build failures on 32-bit arch #919
+* [BUGFIX] Adjust collector to use separate connection per scrape #936
+
 ## 0.14.0 / 2023-09-11
 
 * [CHANGE] Add `state` label to pg_process_idle_seconds #862
diff --git a/README.md b/README.md
index 3b7730bc..429058e6 100644
--- a/README.md
+++ b/README.md
@@ -7,7 +7,7 @@
 
 Prometheus exporter for PostgreSQL server metrics.
 
-CI Tested PostgreSQL versions: `10`, `11`, `12`, `13`, `14`, `15`
+CI Tested PostgreSQL versions: `11`, `12`, `13`, `14`, `15`, `16`
 
 ## Quick Start
 This package is available for Docker:
diff --git a/VERSION b/VERSION
index a803cc22..a5510516 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-0.14.0
+0.15.0