diff --git a/zilti/packages/chicken.scm b/zilti/packages/chicken.scm
index 275ee48..3eb1233 100644
--- a/zilti/packages/chicken.scm
+++ b/zilti/packages/chicken.scm
@@ -136,7 +136,7 @@ file indexing tool.")
        (uri (egg-uri "check-errors" version))
        (sha256
         (base32
-         "0ddzhsx2g95b62mafk2kvfq64178fmhgqvm4ifqbdl20zmlgzzkx"))))
+         "1ra8pvs0qnfqsjbrsn0k94drwx5ydvhapziv6dcqcb118iimnrmd"))))
     (native-inputs
      (list chicken-test chicken-test-utils))
     (build-system chicken-build-system)
@@ -220,7 +220,7 @@ and manipulating lists and pairs.")
               (uri (egg-uri "srfi-13" version))
               (sha256
                (base32
-                "18clbmaampaxivwx9bya9fxnkzqbczhlz0kbs9bfapm77mxkwclc"))))
+                "11d8qlvsykp2mz2vwxmk19x1zl5b5fymhvgznsrfjl429z5xai94"))))
     (build-system chicken-build-system)
     (arguments '(#:egg-name "srfi-13"))
     (native-inputs (list chicken-test))
@@ -267,7 +267,7 @@ a characters and be compared to other character sets")
               (uri (egg-uri "srfi-18" version))
               (sha256
                (base32
-                "0v2pkdck0ji1wiqgg8sg4z6rbkj2qw4vy4b9lx0w0pmhlxqpg1xd"))))
+                "0mkg3g045md9v74p4ac24q0c4xvvinz1nggakyg7wlg7c176i2l9"))))
     (build-system chicken-build-system)
     (arguments
      `(#:egg-name "srfi-18"))
@@ -343,14 +343,14 @@ Languages} by Friedman, Wand, and Haynes.")
 (define-public chicken-fmt
   (package
    (name "chicken-fmt")
-   (version "0.8.11.2")
+   (version "0.8.11")
    (source
     (origin
      (method url-fetch)
-     (uri (egg-uri "fmt" version))
+     (uri (egg-uri "fmt" "0.8.11.2"))
      (sha256
       (base32
-       "1x7al8nknj1xbs6hjfs6gs2h6cjy29gnhplvqisbqdpzxyq5zs20"))))
+       "0w04zfkhh8cnns6n0m1s9zh8jn7nvm3h4nzvfzxiih84i6y13yx1"))))
    (propagated-inputs
     (list chicken-srfi-1
           chicken-srfi-13
@@ -448,7 +448,7 @@ with integers.")
      (uri (egg-uri "string-utils" version))
      (sha256
       (base32
-       "1xaidw3mlch8pcxdxs5jsb3fpma61n5jg9cda9hrc2v6y978i41f"))))
+       "0f9m63flywcx7b6rhb7d562v26xilnxl0zcd8c6c4rfjsr0bdgjr"))))
    (propagated-inputs
     (list chicken-check-errors chicken-miscmacros chicken-srfi-1 chicken-srfi-13 chicken-srfi-69 chicken-utf8))
    (native-inputs
@@ -496,7 +496,8 @@ with integers.")
    (propagated-inputs
     (list chicken-utf8))
    (native-inputs
-    (list chicken-test))
+    (list chicken-test
+          chicken-test-utils))
    (build-system chicken-build-system)
    (arguments '(#:egg-name "symbol-utils"))
    (synopsis "Symbol utilities.")
@@ -582,7 +583,7 @@ with integers.")
        (uri (egg-uri "utf8" version))
        (sha256
         (base32
-         "0k06bck0g5j6s10k0j4k8hy8c4qzxyzxk3mgynqvpvhmpc09iyad"))))
+         "0vpf2vw4k7b1f7afgminnvkgiq9m973rxi1w2y63jgg8vr7i027p"))))
     ;; TODO do we really have to make these propagated?
     ;; I don't know Chicken's module system well enough to tell
     (propagated-inputs
@@ -614,7 +615,8 @@ with integers.")
      (list chicken-srfi-1 chicken-utf8 chicken-check-errors chicken-symbol-utils
            chicken-string-utils))
     (native-inputs
-     (list chicken-test))
+     (list chicken-test
+           chicken-test-utils))
     (build-system chicken-build-system)
     (arguments '(#:egg-name "apropos"))
     (synopsis "An apropos facility for CHICKEN Scheme.")