diff --git a/gnu/packages/lisp.scm b/gnu/packages/lisp.scm
index c54a9b4b3a..15004f449e 100644
--- a/gnu/packages/lisp.scm
+++ b/gnu/packages/lisp.scm
@@ -1439,7 +1439,7 @@ (define-public buildapp
 (define-public eisl
   (package
     (name "eisl")
-    (version "3.00")
+    (version "3.50")
     (source
      (origin
        (method git-fetch)
@@ -1448,7 +1448,7 @@ (define-public eisl
              (commit (string-append "v" version))))
        (file-name (git-file-name name version))
        (sha256
-        (base32 "0nppbzfdx4cjy72b4n0yk177i7063a0nhsrs9b1y45y4avbrbl00"))))
+        (base32 "18alxwpvkcjfm63bc5kp6nn8351fl0p0ccxc8j9a7nb3fmg4fvyb"))))
     (build-system gnu-build-system)
     (inputs
      (list bash-minimal freeglut gdbm libiconv ncurses tcl tk))