diff --git a/projects/dotnet.microsoft.com/package.yml b/projects/dotnet.microsoft.com/package.yml
index 71075356..6c3fbff0 100644
--- a/projects/dotnet.microsoft.com/package.yml
+++ b/projects/dotnet.microsoft.com/package.yml
@@ -14,7 +14,7 @@ runtime:
     DOTNET_ROOT: "{{prefix}}"
 dependencies:
   linux:
-    unicode.org: '*'
+    unicode.org: ^71
 build:
   dependencies:
     curl.se: '*'
diff --git a/projects/harfbuzz.org/package.yml b/projects/harfbuzz.org/package.yml
index b0f63a02..9115b07f 100644
--- a/projects/harfbuzz.org/package.yml
+++ b/projects/harfbuzz.org/package.yml
@@ -10,7 +10,7 @@ dependencies:
   freetype.org: 2
   gnome.org/glib: 2
   graphite.sil.org: '*'
-  unicode.org: '>=71'
+  unicode.org: ^71
 
 build:
   dependencies:
diff --git a/projects/postgresql.org/libpq/package.yml b/projects/postgresql.org/libpq/package.yml
index b4c966e7..ac04d287 100644
--- a/projects/postgresql.org/libpq/package.yml
+++ b/projects/postgresql.org/libpq/package.yml
@@ -11,9 +11,9 @@ versions:
 
 dependencies:
   kerberos.org: '*'
-  openssl.org: '*'
-  zlib.net: '*'
-  unicode.org: '*'
+  openssl.org: ^1.1
+  zlib.net: ^1
+  unicode.org: ^71
   linux:
     gnu.org/readline: '*'
 
diff --git a/projects/rockdaboot.github.io/libpsl/package.yml b/projects/rockdaboot.github.io/libpsl/package.yml
index abeb8a71..7292525e 100644
--- a/projects/rockdaboot.github.io/libpsl/package.yml
+++ b/projects/rockdaboot.github.io/libpsl/package.yml
@@ -4,7 +4,7 @@ distributable:
 versions:
   github: rockdaboot/libpsl
 dependencies:
-  unicode.org: '*'
+  unicode.org: ^71
 build:
   dependencies:
     mesonbuild.com: '*'