diff --git a/fs b/fs
index 98b48d46..68b42dd1 160000
--- a/fs
+++ b/fs
@@ -1 +1 @@
-Subproject commit 98b48d4671cd75dd4dd70d72c2cc03b21e2e8132
+Subproject commit 68b42dd1b6ee22cbcca6e6a807cfb079b608f033
diff --git a/process b/process
index 59bff35c..6bcef6ea 160000
--- a/process
+++ b/process
@@ -1 +1 @@
-Subproject commit 59bff35cb6f4609f772dd932207ddd031c88559c
+Subproject commit 6bcef6ea7ce4c60b9b66f4028d97f5df93b02b3d
diff --git a/sci b/sci
index 972f8d55..afc1c010 160000
--- a/sci
+++ b/sci
@@ -1 +1 @@
-Subproject commit 972f8d55f59102607908f1f1ab30e598bddaa67e
+Subproject commit afc1c010a71a0640a3c4466b7b3a1cce0ad88eee
diff --git a/src/babashka/impl/process.clj b/src/babashka/impl/process.clj
index 7a457196..3dad4a91 100644
--- a/src/babashka/impl/process.clj
+++ b/src/babashka/impl/process.clj
@@ -27,4 +27,5 @@
    'tokenize    (copy-var process/tokenize tns)
    '*defaults*  defaults
    'destroy     (copy-var process/destroy tns)
-   'destroy-tree (copy-var process/destroy-tree tns)})
+   'destroy-tree (copy-var process/destroy-tree tns)
+   'exec (copy-var process/exec tns)})