diff --git a/CHANGELOG.md b/CHANGELOG.md
index 431fc4f..74bb2bf 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,7 @@
 <!-- - Create Github release with updated links from `doc/links.md` -->
 <!-- - `bb gh-pages` -->
 
+- [#121](https://github.com/babashka/scittle/issues/121): add `cjohansen/dataspex` plugin ([@jeroenvandijk](https://github.com/jeroenvandijk))
 - [#118](https://github.com/babashka/scittle/issues/118): add `goog.string/format` ([@jeroenvandijk](https://github.com/jeroenvandijk))
 
 ## v0.7.23 (2025-06-18)
diff --git a/deps.edn b/deps.edn
index 96ada15..fa33be6 100644
--- a/deps.edn
+++ b/deps.edn
@@ -21,7 +21,8 @@
   io.github.babashka/sci.configs
   #_{:local/root "/Users/borkdude/dev/sci.configs"}
   {:git/url "https://github.com/babashka/sci.configs"
-   :git/sha "1ade6f94a2902211bed1f876472571da0c5e7278"}}
+   :git/sha "aa84a1b4f1fe45735e5b748769309fc842f737c1"
+   :exclusions [org.babashka/sci]}}
  :aliases
  {:dev
   {:extra-paths ["dev"]
diff --git a/plugins/datascript/deps.edn b/plugins/datascript/deps.edn
index 1454ae1..467f4cd 100644
--- a/plugins/datascript/deps.edn
+++ b/plugins/datascript/deps.edn
@@ -1,3 +1,4 @@
 {:deps
  {datascript/datascript {:mvn/version "1.3.12"}
-  io.github.babashka/sci.configs {:git/sha "33bd51e53700b224b4cb5bda59eb21b62f962745"}}}
+  io.github.babashka/sci.configs {:git/sha "aa84a1b4f1fe45735e5b748769309fc842f737c1"
+                                  :exclusions [org.babashka/sci]}}}
diff --git a/plugins/dataspex/deps.edn b/plugins/dataspex/deps.edn
new file mode 100644
index 0000000..badf11e
--- /dev/null
+++ b/plugins/dataspex/deps.edn
@@ -0,0 +1,8 @@
+{:deps
+ {no.cjohansen/dataspex {:git/url "https://github.com/cjohansen/dataspex"
+                         :git/sha "02112200651c2bd932907bb69fba1ff50b881741"
+                         :exclusions [ring/ring-core 
+                                      ring/ring-jetty-adapter 
+                                      com.cognitect/transit-clj]}
+  io.github.babashka/sci.configs {:git/sha "aa84a1b4f1fe45735e5b748769309fc842f737c1" 
+                                  :exclusions [org.babashka/sci]}}}
diff --git a/plugins/dataspex/src/scittle/dataspex.cljs b/plugins/dataspex/src/scittle/dataspex.cljs
new file mode 100644
index 0000000..66b3908
--- /dev/null
+++ b/plugins/dataspex/src/scittle/dataspex.cljs
@@ -0,0 +1,9 @@
+(ns scittle.dataspex
+  {:no-doc true}
+  (:require [sci.configs.cjohansen.dataspex :refer [config]]
+            [scittle.core :as scittle]))
+
+(defn init []
+  (scittle/register-plugin!
+   ::dataspex
+   config))
diff --git a/plugins/dataspex/src/scittle_plugin.edn b/plugins/dataspex/src/scittle_plugin.edn
new file mode 100644
index 0000000..af629e2
--- /dev/null
+++ b/plugins/dataspex/src/scittle_plugin.edn
@@ -0,0 +1,8 @@
+[{:name scittle/dataspex
+  :namespaces [dataspex.core]
+  :js "./scittle.dataspex.js"
+  :shadow-config
+  {:modules   
+   {:scittle.dataspex {:init-fn scittle.dataspex/init
+                       :depends-on #{:scittle :scittle.datascript}
+                       :entries [dataspex.core]}}}}]
diff --git a/plugins/demo/bb.edn b/plugins/demo/bb.edn
index 86170d0..e7486c2 100644
--- a/plugins/demo/bb.edn
+++ b/plugins/demo/bb.edn
@@ -1,6 +1,7 @@
 {:deps {io.github.babashka/scittle.build {:local/root "../../build"}
         ;; datascript plugin
         ; io.github.babashka/scittle.datascript {:local/root "../../plugins/datascript"}
+        io.github.babashka/scittle.dataspex {:local/root "../../plugins/dataspex"}
         io.github.babashka/scittle.javelin {:local/root "../../plugins/javelin"}
         io.github.babashka/scittle.hoplon {:local/root "../../plugins/hoplon"}
         io.github.babashka/http-server
diff --git a/plugins/hoplon/deps.edn b/plugins/hoplon/deps.edn
index e7aef52..0eab577 100644
--- a/plugins/hoplon/deps.edn
+++ b/plugins/hoplon/deps.edn
@@ -1,3 +1,4 @@
 {:deps
  {hoplon/hoplon {:mvn/version "7.5.0"}
-  io.github.babashka/sci.configs {:git/sha "08bab21643bc0c63a5b99c65193c9d24888270b7"}}}
+  io.github.babashka/sci.configs {:git/sha "aa84a1b4f1fe45735e5b748769309fc842f737c1"
+                                  :exclusions [org.babashka/sci]}}}
diff --git a/plugins/javelin/deps.edn b/plugins/javelin/deps.edn
index 135f602..f4b4533 100644
--- a/plugins/javelin/deps.edn
+++ b/plugins/javelin/deps.edn
@@ -1,3 +1,4 @@
 {:deps
  {hoplon/javelin {:mvn/version "3.9.3"}
-  io.github.babashka/sci.configs {:git/sha "08bab21643bc0c63a5b99c65193c9d24888270b7"}}}
+  io.github.babashka/sci.configs {:git/sha "aa84a1b4f1fe45735e5b748769309fc842f737c1"
+                                  :exclusions [org.babashka/sci]}}}