README.texi                    | 10 +++-------
 cmd/sgblog-comment-add/main.go |  2 +-
 cmd/sgblog/gemini.go           |  4 ++--
 go.mod                         |  2 +-
 go.sum                         |  4 ++--
 internal/comments.go           |  2 +-

diff --git a/README.texi b/README.texi
index 61b1b63440ccb831abe8f42b9530ab83b63e8565f3e874a4e30afc29699478cb..508bdb80d215815f9bb706e800c59c9c3bd157f29af5495dd7378e64110fb369 100644
--- a/README.texi
+++ b/README.texi
@@ -142,18 +142,14 @@ @end example
 
 Unfortunately by default it uses HTTPS and Go's third party servers
 (@code{sum.golang.org}, @code{proxy.golang.org}) that trust neither
-@code{CACert.org}'s CA (used previously) nor @code{ca.cypherpunks.su}
+@code{CACert.org}'s CA (used previously) nor @code{ca.stargrave.org}
 CAs. So either disable their usage and trust that certificate:
 @code{GOPRIVATE=go.stargrave.org/sgblog}, or clone its source code
 manually and build in place:
 @url{git://git.stargrave.org/sgblog.git},
 @code{anongit@@master.git.stargrave.org:stargrave.org/sgblob.git},
 @code{anongit@@slave.git.stargrave.org:stargrave.org/sgblob.git},
-@code{anongit@@master.git.cypherpunks.su:stargrave.org/sgblob.git},
-@code{anongit@@slave.git.cypherpunks.su:stargrave.org/sgblob.git},
-@url{git://git.cypherpunks.su/sgblob.git},
-@url{git://y.git.stargrave.org/sgblob.git},
-@url{git://y.git.cypherpunks.su/sgblob.git}.
+@url{git://y.git.stargrave.org/sgblob.git}.
 
 For enabling blog availability you have to use HTTP server with CGI
 interface. Example part of @url{http://www.lighttpd.net/, lighttpd}'s
@@ -207,7 +203,7 @@ # mv /var/service/.phlog-ipv6 /var/service/phlog-ipv6
 @end example
 
 Gemlog uses Gemini protocol that requires TLS usage, that can be
-achieved with @url{go.cypherpunks.su/ucspi} tools:
+achieved with @url{go.stargrave.org/ucspi} tools:
 
 @example
 exec tcpserver -DRH -u $uid -g $gid -l 0 ::0 1965 \
diff --git a/cmd/sgblog-comment-add/main.go b/cmd/sgblog-comment-add/main.go
index f26cb4d2751a6ac39965051d1871246fa31d1e37ea63ca55efc15388bb734093..f0eef28f9d6623c4fa095e3dcd11cb9e0e5dde0c5927f27416e6e5a338a36228 100644
--- a/cmd/sgblog-comment-add/main.go
+++ b/cmd/sgblog-comment-add/main.go
@@ -34,7 +34,7 @@ 	"strings"
 	"syscall"
 	"time"
 
-	"go.cypherpunks.su/recfile/v3"
+	"go.stargrave.org/recfile/v4"
 	sgblog "go.stargrave.org/sgblog/internal"
 )
 
diff --git a/cmd/sgblog/gemini.go b/cmd/sgblog/gemini.go
index 5987f17a9c1dd5cf12873a634210b32d8d0c2a0f8de4d0d05f1a55c2ac09584e..649ef4b8be7a8849571b78830bcbe0b984d7674981b100f7813e5267f0230892 100644
--- a/cmd/sgblog/gemini.go
+++ b/cmd/sgblog/gemini.go
@@ -195,8 +195,8 @@ 		})
 		if err != nil {
 			log.Fatalln(err)
 		}
-	} else if strings.HasPrefix(u.Path, "/img/") {
-		pth := strings.TrimPrefix(u.Path, "/img/")
+	} else if after, ok := strings.CutPrefix(u.Path, "/img/"); ok {
+		pth := after
 		if strings.Contains(pth, "..") {
 			log.Fatalln("unacceptable double dots")
 		}
diff --git a/go.mod b/go.mod
index 3fdcf7c2529384a6745ff11745071fc51b22dca54aa695906f117aeaf613f6e1..117c1117be3c1aae0931113d154f681fb28c6962459c0a354f6eabbc63f1ffad 100644
--- a/go.mod
+++ b/go.mod
@@ -7,7 +7,7 @@ 	github.com/go-git/go-git/v5 v5.16.2
 	github.com/hjson/hjson-go/v4 v4.5.0
 	github.com/klauspost/compress v1.18.3
 	github.com/vorlif/spreak v0.6.0
-	go.cypherpunks.su/recfile/v3 v3.1.0
+	go.stargrave.org/recfile/v4 v4.0.0
 	golang.org/x/text v0.27.0
 	lukechampine.com/blake3 v1.4.1
 )
diff --git a/go.sum b/go.sum
index 98775f2117b02d3df3e87ef3253bc595818cc22f7272d9178d0790650b8ff2c8..4d679d9c66ef9902b7db31c3cf8d203a7b5b72a0a8823147fdb599264d0b11c4 100644
--- a/go.sum
+++ b/go.sum
@@ -75,8 +75,8 @@ github.com/vorlif/spreak v0.6.0 h1:+WrtSGKx9zcZy8d/Tp6t+OA3x9RgmA8TQYPzQ+U7Ddc=
 github.com/vorlif/spreak v0.6.0/go.mod h1:vcqv4dB1XgHpxIXhV5C+8EgqlzKfL37Atj2O/bOB1Bw=
 github.com/xanzy/ssh-agent v0.3.3 h1:+/15pJfg/RsTxqYcX6fHqOXZwwMP+2VyYWJeWM2qQFM=
 github.com/xanzy/ssh-agent v0.3.3/go.mod h1:6dzNDKs0J9rVPHPhaGCukekBHKqfl+L3KghI1Bc68Uw=
-go.cypherpunks.su/recfile/v3 v3.1.0 h1:ZWO7Q6taGkaEl5X0oL+/5LOyoufzH0LRU2dee7RwZFg=
-go.cypherpunks.su/recfile/v3 v3.1.0/go.mod h1:KK9cp7tYNWcHnTIaGso2H6PCJne8cVWk5VYB02b9ffI=
+go.stargrave.org/recfile/v4 v4.0.0 h1:v9kZnW/e64oPfOqArGMNZacuT57lDibd24xhEiBDQ/c=
+go.stargrave.org/recfile/v4 v4.0.0/go.mod h1:IGi8kMociIlDoR8iOssyUG/uix+wmsqvBuiDeQXsIuE=
 golang.org/x/crypto v0.0.0-20220622213112-05595931fe9d/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
 golang.org/x/crypto v0.40.0 h1:r4x+VvoG5Fm+eJcxMaY8CQM7Lb0l1lsmjGBQ6s8BfKM=
 golang.org/x/crypto v0.40.0/go.mod h1:Qr1vMER5WyS2dfPHAlsOj01wgLbsyWtFn/aY+5+ZdxY=
diff --git a/internal/comments.go b/internal/comments.go
index 257098365142737f3b110546bbb9dc58a89b7fb0914fe87bc0e8acbbbf6c83c7..03cb1dc97915d4f2b0dd9176acbaf26e4944c936dcbb46c2ddd296134c772774 100644
--- a/internal/comments.go
+++ b/internal/comments.go
@@ -19,7 +19,7 @@ import (
 	"bytes"
 	"fmt"
 
-	"go.cypherpunks.su/recfile/v3"
+	"go.stargrave.org/recfile/v4"
 )
 
 func ParseComments(data []byte) []string {