diff --git a/zilti/packages/chicken.scm b/zilti/packages/chicken.scm
index 6d4fd51..55e8b82 100644
--- a/zilti/packages/chicken.scm
+++ b/zilti/packages/chicken.scm
@@ -699,7 +699,7 @@ with integers.")
      (uri (egg-uri "input-parse" version))
      (sha256
       (base32
-       "0z05x7f154n9bgmainrsmncf5i6dil43r9ymr3rdgwbg4wnxmz4s"))))
+       "195ghf8qk3w7wxvdra3gi653p57y3hdadngjz599ym14rcfxq61q"))))
    (propagated-inputs
     (list ))
    (native-inputs
@@ -721,7 +721,7 @@ with integers.")
      (uri (egg-uri "ssax" version))
      (sha256
       (base32
-       "0z05x7f154n9bgmainrsmncf5i6dil43r9ymr3rdgwbg4wnxmz4s"))))
+       "1yfaxi9wxsjj6mlf5m6zh7x1xafgglyzq3fbhx1zlf13zhvadjsj"))))
    (propagated-inputs
     (list chicken-input-parse
           chicken-srfi-1
@@ -745,7 +745,7 @@ with integers.")
      (uri (egg-uri "rss" version))
      (sha256
       (base32
-       "0z05x7f154n9bgmainrsmncf5i6dil43r9ymr3rdgwbg4wnxmz4s"))))
+       "1xk5v3cz1wvsryd3vkckqz0iw03l4w564y22dq0i5275vvyvb64w"))))
    (propagated-inputs
     (list chicken-matchable
           chicken-srfi-1