diff --git a/zilti/packages/pharo.scm b/zilti/packages/pharo.scm
new file mode 100644
index 0000000..b38f791
--- /dev/null
+++ b/zilti/packages/pharo.scm
@@ -0,0 +1,77 @@
+(define-module (zilti packages pharo)
+  #:use-module (srfi srfi-1)
+  #:use-module (ice-9 match)
+  #:use-module (guix packages)
+  #:use-module (guix download)
+  #:use-module (guix gexp)
+  #:use-module (guix build-system cmake)
+  #:use-module ((guix licenses) #:prefix license:)
+  #:use-module (gnu packages)
+  #:use-module (gnu packages fontutils)
+  #:use-module (gnu packages gtk)
+  #:use-module (gnu packages image)
+  #:use-module (gnu packages libffi)
+  #:use-module (gnu packages linux)
+  #:use-module (gnu packages version-control)
+  #:use-module (gnu packages xdisorg))
+
+(define-public pharo-vm
+  (package
+   (name "pharo-vm")
+   (version "10.1.1")
+   (source
+    (origin
+     (method url-fetch)
+     (uri (string-append "http://files.pharo.org/vm/pharo-spur64-headless/Linux-x86_64/source/PharoVM-" version "-32b2be5-Linux-x86_64-c-src.tar.gz"))
+     (sha256
+      (base32
+       "1hbkvfrw57sz5nw48z64789yjcry9l1am4hmkndy9dd6i06n2c2n"))))
+   (build-system cmake-build-system)
+   (arguments
+    (list
+     #:configure-flags
+      #~(list
+         (string-append "-DPHARO_BIN_LOCATION="
+                        (assoc-ref %outputs "out") "/bin")
+         (string-append "-DPHARO_LIBRARY_PATH="
+                        (assoc-ref %outputs "out") "/lib")
+         "-DGENERATED_SOURCE_DIR=."
+         "-DALWAYS_INTERACTIVE=on"
+         "-DBUILD_IS_RELEASE=on"
+         "-DGENERATE_SOURCES=off"
+         "-DBUILD_BUNDLE=off")
+      #:phases
+      #~(modify-phases %standard-phases
+          (delete 'check)
+          (add-after 'install 'really-install
+            (lambda _
+              (let ((bin (string-append #$output "/bin"))
+                    (lib (string-append #$output "/lib")))
+                (wrap-program "./build/vm/pharo"
+                              `("LD_LIBRARY_PATH" prefix (,lib)))
+                (mkdir-p bin)
+                (mkdir-p lib)
+                (copy-recursively "./build/vm/pharo"
+                                  (string-append bin "/pharo"))
+                (for-each (lambda (file)
+                            (let ((inode (string-append "./build/vm/" file)))
+                              (copy-recursively
+                               inode
+                               (string-append lib "/" file))))
+                          (with-directory-excursion
+                              "./build/vm"
+                            (find-files "."
+                                        (lambda (file stat)
+                                          (string-contains file ".so")))))))))))
+   (inputs
+    (list libffi
+          libgit2
+          cairo
+          freetype
+          pixman
+          libpng
+          util-linux))
+   (synopsis "This is the VM used by Pharo")
+   (home-page "https://www.pharo.org")
+   (description "This is the VM used by Pharo.")
+   (license license:expat)))