diff --git a/go.mod b/go.mod
index 3a5b73a..31de91a 100644
--- a/go.mod
+++ b/go.mod
@@ -3,9 +3,9 @@ module github.com/go-pdfkit/coedit
 go 1.26.4
 
 require (
-	github.com/go-crdt/crdt v0.36.0
+	github.com/go-crdt/crdt v0.37.0
 	github.com/go-deltasync/chunk v0.2.1
-	github.com/go-pdfkit/ops v0.8.0
+	github.com/go-pdfkit/ops v0.11.0
 	github.com/go-pdfkit/reader v0.6.0
 )
 
diff --git a/go.sum b/go.sum
index e348412..d221c8b 100644
--- a/go.sum
+++ b/go.sum
@@ -8,6 +8,8 @@ github.com/go-crdt/crdt v0.35.0 h1:8IGUNQo7+S9MfdTFX2miW2l+DxYClDyg+4qmYAmXpnY=
 github.com/go-crdt/crdt v0.35.0/go.mod h1:vbfvns9B9FUaMi2sPKzMYttKmbxfgO7EK3Yu82SrlYw=
 github.com/go-crdt/crdt v0.36.0 h1:YwCURJ+nQpwFB1yRhqiNr2yo8j3a6CPcw6+RbO1tjM4=
 github.com/go-crdt/crdt v0.36.0/go.mod h1:vbfvns9B9FUaMi2sPKzMYttKmbxfgO7EK3Yu82SrlYw=
+github.com/go-crdt/crdt v0.37.0 h1:offp5UlAqIt2lQwvWamguRBWp6yZs4uUhVISfqw2+l0=
+github.com/go-crdt/crdt v0.37.0/go.mod h1:vbfvns9B9FUaMi2sPKzMYttKmbxfgO7EK3Yu82SrlYw=
 github.com/go-deltasync/chunk v0.2.0 h1:2w4zBBXbrZwsBJAMnBCstPTj4YNeUvHjvY0qAFA1yuE=
 github.com/go-deltasync/chunk v0.2.0/go.mod h1:lstvS05YsLMRBKrvE75vOXm07cMMRVQJfhdYPiR04OE=
 github.com/go-deltasync/chunk v0.2.1 h1:b+A3lnd/fePwrpt43ayV7j+QUFBOmD15zK98J4Lbrqw=
@@ -24,6 +26,8 @@ github.com/go-pdfkit/ops v0.7.2 h1:E1vLf+BcmuQuE9tlZ1dYCaiCsRpDEw9otOCVTjp90bY=
 github.com/go-pdfkit/ops v0.7.2/go.mod h1:12bC9BoH7ru3OoOC52OjNMC+ti92M8Vrfd8NeRby2XE=
 github.com/go-pdfkit/ops v0.8.0 h1:gETeMRnHpXstvBWBVNuLiBX5+JI3VmJVj8MJjglZsZM=
 github.com/go-pdfkit/ops v0.8.0/go.mod h1:C/thyC63o458u7ZPFg206IoqEZMdDdHi64EHMdAOKeo=
+github.com/go-pdfkit/ops v0.11.0 h1:AhMn5V3defgwUKgg+cEY0T4CWAxU40fStKAwwOLQBt4=
+github.com/go-pdfkit/ops v0.11.0/go.mod h1:C/thyC63o458u7ZPFg206IoqEZMdDdHi64EHMdAOKeo=
 github.com/go-pdfkit/pdffont v0.3.1 h1:+K7opHGRERDZ5EMkA12s1GT48t8GpncArhnyzyc5bxU=
 github.com/go-pdfkit/pdffont v0.3.1/go.mod h1:eFJ/7t9AvcX76KY5qNJMMKetz8hUUUdVM1qSWLi3S1g=
 github.com/go-pdfkit/reader v0.6.0 h1:KAabNOYUcTlZlNBTbG9bEhWP1NiZhjuhzUdavdTdfes=