diff --git a/clojure/resources/parser-dev-linux b/clojure/resources/parser-dev-linux
new file mode 100755
index 00000000..4083f973
Binary files /dev/null and b/clojure/resources/parser-dev-linux differ
diff --git a/clojure/resources/parser b/clojure/resources/parser-dev-macosx
similarity index 100%
rename from clojure/resources/parser
rename to clojure/resources/parser-dev-macosx
diff --git a/clojure/src/firn/org.clj b/clojure/src/firn/org.clj
index abf9ac67..a10eafbb 100644
--- a/clojure/src/firn/org.clj
+++ b/clojure/src/firn/org.clj
@@ -1,4 +1,6 @@
 (ns firn.org
+
+
   "The org namespace handles all data-related to the parsing of an org file.
   When an org file is parsed it is organized into a map of data.
 
@@ -50,7 +52,7 @@
   [file-str]
   (if (u/native-image?)
     (ClojureRust/parseOrg file-str)
-    (let [parser   (str (u/get-cwd) "/resources/parser")
+    (let [parser   (str (u/get-cwd) "/resources/parser-dev-" (u/get-os))
           stripped (s/trim-newline file-str)
           res      (sh/sh parser stripped)]
       (if-not (= (res :exit) 0)
@@ -60,7 +62,7 @@
 (defn parse-dev!
   "DevXp func: Useful for testing org strings in the repl."
   [s]
-  (let [parser   (str (u/get-cwd) "/resources/parser")
+  (let [parser   (str (u/get-cwd) "/resources/parser-dev-" (u/get-os))
         stripped (s/trim-newline s)
         res      (sh/sh parser stripped)]
     (if-not (= (res :exit) 0)
diff --git a/clojure/src/firn/util.clj b/clojure/src/firn/util.clj
index c7099738..5cb047aa 100644
--- a/clojure/src/firn/util.clj
+++ b/clojure/src/firn/util.clj
@@ -84,6 +84,12 @@
   []
   (System/getProperty "user.dir"))
 
+(defn get-os
+  "Return the name of the host operating system."
+  []
+  (str/replace (str/lower-case (System/getProperty "os.name"))
+               #" " ""))
+
 (defn snake->kebab
   "Convert strings with underscores to hyphens."
   ([s]
diff --git a/rust/Cargo.toml b/rust/Cargo.toml
index e76b84f6..5b20c949 100644
--- a/rust/Cargo.toml
+++ b/rust/Cargo.toml
@@ -10,7 +10,7 @@ crate_type = ["cdylib"]
 
 [dependencies]
 jni = "0.14.0"
-heim = "0.0.10"
+heim = "0.0.11"
 futures = "0.3.1"
 orgize = "0.8.3"
 serde_json = "1.0.48"