diff --git a/process b/process
index bd203b79..2055e047 160000
--- a/process
+++ b/process
@@ -1 +1 @@
-Subproject commit bd203b79a21b6155b61b4b4efda5a497dec2567d
+Subproject commit 2055e0470a0ae6faedd15d5a3c8da4d82a6f4641
diff --git a/src/babashka/impl/clojure/spec/alpha.clj b/src/babashka/impl/clojure/spec/alpha.clj
index 2df93012..ac36421f 100644
--- a/src/babashka/impl/clojure/spec/alpha.clj
+++ b/src/babashka/impl/clojure/spec/alpha.clj
@@ -901,7 +901,7 @@
                 rgen (fn [k s] [k (gensub s overrides (conj path k) rmap k)])
                 ogen (fn [k s]
                        (when-not (recur-limit? rmap id path k)
-                         [k (gen/delay (gensub s overrides (conj path k) rmap k))]))
+                         [k (gen/delay-internal (gensub s overrides (conj path k) rmap k))]))
                 reqs (map rgen req-keys req-specs)
                 opts (remove nil? (map ogen opt-keys opt-specs))]
             (when (every? identity (concat (map second reqs) (map second opts)))
@@ -1004,7 +1004,7 @@
                        (let [p (f nil)]
                          (let [rmap (inck rmap id)]
                            (when-not (recur-limit? rmap id path k)
-                             (gen/delay
+                             (gen/delay-internal
                                (gen/fmap
                                 #(tag % k)
                                 (gensub p overrides (conj path k) rmap (list 'method form k))))))))
@@ -1141,7 +1141,7 @@
           (let [gen (fn [k p f]
                       (let [rmap (inck rmap id)]
                         (when-not (recur-limit? rmap id path k)
-                          (gen/delay
+                          (gen/delay-internal
                             (gensub p overrides (conj path k) rmap f)))))
                 gs (remove nil? (map gen keys preds forms))]
             (when-not (empty? gs)
@@ -1648,7 +1648,7 @@
                             ;;(prn {:k k :path path :rmap rmap :op op :id id})
                             (when-not (c/and rmap id k (recur-limit? rmap id path k))
                               (if id
-                                (gen/delay (re-gen p overrides (if k (conj path k) path) rmap (c/or f p)))
+                                (gen/delay-internal (re-gen p overrides (if k (conj path k) path) rmap (c/or f p)))
                                 (re-gen p overrides (if k (conj path k) path) rmap (c/or f p)))))]
                   (map gen ps (c/or (seq ks) (repeat nil)) (c/or (seq forms) (repeat nil)))))]
     (c/or (when-let [gfn (c/or (get overrides (spec-name origp))
@@ -1878,8 +1878,8 @@
         (if gfn
           (gfn)
           (gen/frequency
-           [[1 (gen/delay (gen/return nil))]
-            [9 (gen/delay (gensub pred overrides (conj path :clojure.spec.alpha/pred) rmap form))]])))
+           [[1 (gen/delay-internal (gen/return nil))]
+            [9 (gen/delay-internal (gensub pred overrides (conj path :clojure.spec.alpha/pred) rmap form))]])))
       (with-gen* [_ gfn] (nilable-impl form pred gfn))
       (describe* [_] `(clojure.spec.alpha/nilable ~(res form))))))
 
diff --git a/src/babashka/impl/clojure/spec/gen/alpha.clj b/src/babashka/impl/clojure/spec/gen/alpha.clj
index 19d868f3..70cc7220 100755
--- a/src/babashka/impl/clojure/spec/gen/alpha.clj
+++ b/src/babashka/impl/clojure/spec/gen/alpha.clj
@@ -23,12 +23,10 @@
   [& args]
   (apply @quick-check-ref args))
 
-(def ^:private for-all*-ref
-  (c/delay clojure.test.check.properties/for-all*))
 (defn for-all*
   "Dynamically loaded clojure.test.check.properties/for-all*."
   [& args]
-  (apply @for-all*-ref args))
+  (apply clojure.test.check.properties/for-all* args))
 
 (let [g? clojure.test.check.generators/generator?
       g clojure.test.check.generators/generate
@@ -57,6 +55,13 @@
   [& body]
   `(clojure.spec.gen.alpha/delay-impl (c/delay ~@body)))
 
+(defmacro delay-internal
+  "given body that returns a generator, returns a
+  generator that delegates to that, but delays
+  creation until used."
+  [& body]
+  `(babashka.impl.clojure.spec.gen.alpha/delay-impl (c/delay ~@body)))
+
 (defmacro ^:skip-wiki lazy-combinator
   "Implementation macro, do not call directly."
   [s]
diff --git a/src/babashka/main.clj b/src/babashka/main.clj
index 6b19dc77..58e40903 100644
--- a/src/babashka/main.clj
+++ b/src/babashka/main.clj
@@ -61,7 +61,8 @@
    [sci.impl.namespaces :as sci-namespaces]
    [sci.impl.types :as sci-types]
    [sci.impl.unrestrict :refer [*unrestricted*]]
-   [sci.impl.vars :as vars])
+   [sci.impl.vars :as vars]
+   [clojure.stacktrace :as stacktrace])
   (:gen-class))
 
 (def windows?
@@ -1127,4 +1128,26 @@ Use bb run --help to show this help output.
 
 ;;;; Scratch
 
+(defn where-am-i [depth]
+  (let [ks [:fileName :lineNumber :className]]
+    (clojure.pprint/print-table
+     ks
+     (map (comp #(select-keys % ks) bean)
+          (take depth (.getStackTrace (Thread/currentThread)))))))
+
+(alter-var-root #'require
+                (fn [old-req]
+                  (fn [& args]
+                    (prn :require-args args)
+                    (where-am-i 100)
+                    #_(System/exit 0)
+                    #_(apply old-req args))))
+
+(alter-var-root #'requiring-resolve
+                (fn [old-req]
+                  (fn [& args]
+                    (prn :requiring-resolve-args args)
+                    (stacktrace/print-stack-trace (-> (Thread/currentThread) #_(.getStackTrace)))
+                    (apply old-req args))))
+
 (comment)