diff --git a/pkgs/by-name/sn/snis-unwrapped/package.nix b/pkgs/by-name/sn/snis-unwrapped/package.nix
index 8c955e2d84ff..51ac65f3f8d2 100644
--- a/pkgs/by-name/sn/snis-unwrapped/package.nix
+++ b/pkgs/by-name/sn/snis-unwrapped/package.nix
@@ -27,27 +27,27 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "snis";
-  version = "1.0.2";
+  version = "1.0.6";
 
   src = fetchFromGitHub {
     owner = "smcameron";
     repo = "space-nerds-in-space";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-K7sZUBsR+sd7fUzDnK7C/9Q8+A2XPqUg3llyxdOo/RQ=";
+    hash = "sha256-QfRH/YWu2BS5Dn47DmaPqoXe0SVFaBxaBIuE6Pq2XwY=";
   };
 
   enableParallelBuilding = true;
 
   postPatch = ''
     substituteInPlace Makefile \
-      --replace "OPUSARCHIVE=libopus.a" "OPUSARCHIVE=" \
-      --replace "-I./opus-1.3.1/include" "-I${libopus.dev}/include/opus"
+      --replace-fail "OPUSARCHIVE=libopus.a" "OPUSARCHIVE=" \
+      --replace-fail "-I./opus-1.3.1/include" "-I${libopus.dev}/include/opus"
     substituteInPlace snis_text_to_speech.sh \
-      --replace "pico2wave" "${sox}/bin/pico2wave" \
-      --replace "espeak" "${espeak-classic}/bin/espeak" \
-      --replace "play" "${sox}/bin/play" \
-      --replace "aplay" "${alsa-utils}/bin/aplay" \
-      --replace "/bin/rm" "${coreutils}/bin/rm"
+      --replace-fail "pico2wave" "${sox}/bin/pico2wave" \
+      --replace-fail "espeak" "${espeak-classic}/bin/espeak" \
+      --replace-fail "aplay" "${alsa-utils}/bin/aplay" \
+      --replace-fail "play" "${sox}/bin/play" \
+      --replace-fail "/bin/rm" "${coreutils}/bin/rm"
   '';
 
   nativeBuildInputs = [