diff --git a/.circleci/config.yml b/.circleci/config.yml
deleted file mode 100644
index 2798c19..0000000
--- a/.circleci/config.yml
+++ /dev/null
@@ -1,19 +0,0 @@
-version: 2
-jobs:
-  build:
-    working_directory: ~/next-jdbc
-    docker:
-      - image: circleci/clojure:openjdk-11-tools-deps-1.10.3.933
-#    environment:
-#      JVM_OPTS: -Xmx3200m
-    steps:
-      - checkout
-      - restore_cache:
-          key: next-jdbc-{{ checksum "deps.edn" }}
-      - run: clojure -P -M:build:test
-      - save_cache:
-          paths:
-            - ~/.m2
-            - ~/.gitlibs
-          key: next-jdbc-{{ checksum "deps.edn" }}
-      - run: clojure -T:build ci
diff --git a/README.md b/README.md
index 5058bd0..81801ca 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# next.jdbc [![Clojure CI](https://github.com/seancorfield/next-jdbc/actions/workflows/test.yml/badge.svg)](https://github.com/seancorfield/next-jdbc/actions/workflows/test.yml) [![CircleCI](https://circleci.com/gh/seancorfield/next-jdbc/tree/develop.svg?style=svg)](https://circleci.com/gh/seancorfield/next-jdbc/tree/develop) [![Open in Gitpod](https://gitpod.io/button/open-in-gitpod.svg)](https://gitpod.io/#https://github.com/seancorfield/next-jdbc)
+# next.jdbc [![Clojure CI](https://github.com/seancorfield/next-jdbc/actions/workflows/test.yml/badge.svg)](https://github.com/seancorfield/next-jdbc/actions/workflows/test.yml) [![Open in Gitpod](https://gitpod.io/button/open-in-gitpod.svg)](https://gitpod.io/#https://github.com/seancorfield/next-jdbc)
 
 The next generation of `clojure.java.jdbc`: a new low-level Clojure wrapper for JDBC-based access to databases.
 
diff --git a/deps.edn b/deps.edn
index 43e13aa..3e8d819 100644
--- a/deps.edn
+++ b/deps.edn
@@ -7,7 +7,7 @@
  :aliases
  {;; for help: clojure -A:deps -T:build help/doc
   :build {:deps {io.github.seancorfield/build-clj
-                 {:git/tag "v0.5.4" :git/sha "bc9c0cc"}}
+                 {:git/tag "v0.5.5" :git/sha "0527130"}}
           :ns-default build}
 
   ;; versions to test against: