diff --git a/go.mod b/go.mod
index 24e00ec..fe73ade 100644
--- a/go.mod
+++ b/go.mod
@@ -4,9 +4,9 @@ go 1.27.1
 
 require (
 	github.com/go-opentype/fonts v0.14.0
-	github.com/go-opentype/opentype v0.16.1
+	github.com/go-opentype/opentype v0.17.0
 	github.com/go-pdfkit/pdffont v0.4.0
 	github.com/go-pdfkit/reader v0.10.0
 )
 
-require github.com/andybalholm/brotli v1.2.7 // indirect
+require github.com/dsnet/compress v0.0.2-0.20230904184137-39efe44ab707 // indirect
diff --git a/go.sum b/go.sum
index 7024141..5b6fd2f 100644
--- a/go.sum
+++ b/go.sum
@@ -1,12 +1,18 @@
 github.com/andybalholm/brotli v1.2.7 h1:UgafRPGMam5ySHfRkhthMqOFA6IFoeF3D7mWIDLjG5A=
 github.com/andybalholm/brotli v1.2.7/go.mod h1:rzTDkvFWvIrjDXZHkuS16NPggd91W3kUSvPlQ1pLaKY=
+github.com/dsnet/compress v0.0.2-0.20230904184137-39efe44ab707 h1:2tV76y6Q9BB+NEBasnqvs7e49aEBFI8ejC89PSnWH+4=
+github.com/dsnet/compress v0.0.2-0.20230904184137-39efe44ab707/go.mod h1:qssHWj60/X5sZFNxpG4HBPDHVqxNm4DfnCKgrbZOT+s=
+github.com/dsnet/golib v0.0.0-20171103203638-1ea166775780/go.mod h1:Lj+Z9rebOhdfkVLjJ8T6VcRQv3SXugXy999NBtR9aFY=
 github.com/go-opentype/fonts v0.14.0 h1:WHw7k9gkHT1pu9B2yyvd0FWyQqn/4NKFQoKhvMYt3Mo=
 github.com/go-opentype/fonts v0.14.0/go.mod h1:od2QcmdpKo7QCqo6Jb16y4GULk+h2Hhfq6x3xfvn62Q=
-github.com/go-opentype/opentype v0.16.1 h1:Hu2RKinqbd/WVSpRz6VrdKUPZUwPTZ4F9yx2HjZ5oCI=
-github.com/go-opentype/opentype v0.16.1/go.mod h1:aSxaPkjDzEnSAYB47s0oaHHa/sDViwW+aPlOz1A3dEg=
+github.com/go-opentype/opentype v0.17.0 h1:yDLYLg/nUdfSSzm1Yg8t67racyFsamDEtS1gSR7xk1E=
+github.com/go-opentype/opentype v0.17.0/go.mod h1:RujaDgR2h/ErgMkc5y/KYbX8NJtWw3yLRtVxbCfdvFQ=
 github.com/go-pdfkit/pdffont v0.4.0 h1:3CV2HnmUGHiIYuZ5dJWRLKvi7hMHGWS1RjgNYkEZ0Gk=
 github.com/go-pdfkit/pdffont v0.4.0/go.mod h1:l7es3IPbKewQF+sSgPh/bQL18jSewoI0cMjttk7uPlc=
 github.com/go-pdfkit/reader v0.10.0 h1:Wi0GCUADMZFxL9iuVwxuiDhv10nGxbZZjNKJIqtj63E=
 github.com/go-pdfkit/reader v0.10.0/go.mod h1:EYHHREPKT/orDzlGiFPnPVPPuaRDLiAYezIr0cCFXaA=
-github.com/xyproto/randomstring v1.0.5 h1:YtlWPoRdgMu3NZtP45drfy1GKoojuR7hmRcnhZqKjWU=
-github.com/xyproto/randomstring v1.0.5/go.mod h1:rgmS5DeNXLivK7YprL0pY+lTuhNQW3iGxZ18UQApw/E=
+github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
+github.com/klauspost/compress v1.4.1/go.mod h1:RyIbtBH6LamlWaDj8nUwkbUhJ87Yi3uG0guNDohfE1A=
+github.com/klauspost/cpuid v1.2.0/go.mod h1:Pj4uuM528wm8OyEC2QMXAi2YiTZ96dNQPGgoMS4s3ek=
+github.com/ulikunitz/xz v0.5.8/go.mod h1:nbz6k7qbPmH4IRqmfOplQw/tblSgqTqBwxkY0oWt/14=
+golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=