diff --git a/book/snippets/nostr/python/requirements.txt b/book/snippets/nostr/python/requirements.txt
index 4a2c14bfa..192030b4b 100644
--- a/book/snippets/nostr/python/requirements.txt
+++ b/book/snippets/nostr/python/requirements.txt
@@ -1 +1 @@
-nostr-protocol==0.7.1
\ No newline at end of file
+nostr-protocol==0.8.0
\ No newline at end of file
diff --git a/book/snippets/nostr/python/src/event/builder.py b/book/snippets/nostr/python/src/event/builder.py
index ef26c131c..128d8c409 100644
--- a/book/snippets/nostr/python/src/event/builder.py
+++ b/book/snippets/nostr/python/src/event/builder.py
@@ -7,10 +7,10 @@ def event_builder():
     custom_event = EventBuilder(1111, "", []).to_event(keys)
 
     # Compose text note
-    textnote_event = EventBuilder.new_text_note("Hello", []).to_event(keys)
+    textnote_event = EventBuilder.text_note("Hello", []).to_event(keys)
 
     # Compose reply to above text note
-    reply_event = EventBuilder.new_text_note("Reply to hello", [Tag.event(textnote_event.id())]).to_event(keys)
+    reply_event = EventBuilder.text_note("Reply to hello", [Tag.event(textnote_event.id())]).to_event(keys)
 
     # Compose POW event
-    pow_event = EventBuilder.new_text_note("Another reply with POW", [Tag.event(textnote_event.id())]).to_pow_event(keys, 20)
+    pow_event = EventBuilder.text_note("Another reply with POW", [Tag.event(textnote_event.id())]).to_pow_event(keys, 20)
diff --git a/book/snippets/nostr/rust/Cargo.toml b/book/snippets/nostr/rust/Cargo.toml
index 416d80eae..b2a5f24fb 100644
--- a/book/snippets/nostr/rust/Cargo.toml
+++ b/book/snippets/nostr/rust/Cargo.toml
@@ -8,4 +8,4 @@ edition = "2021"
 members = ["."]
 
 [dependencies]
-nostr = "0.26"
+nostr = "0.27"
diff --git a/book/snippets/nostr/rust/src/event/builder.rs b/book/snippets/nostr/rust/src/event/builder.rs
index b3a34d074..54edf026a 100644
--- a/book/snippets/nostr/rust/src/event/builder.rs
+++ b/book/snippets/nostr/rust/src/event/builder.rs
@@ -7,16 +7,16 @@ pub fn event() -> Result<()> {
     let custom_event = EventBuilder::new(Kind::Custom(1111), "", []).to_event(&keys)?;
 
     // Compose text note
-    let textnote_event = EventBuilder::new_text_note("Hello", []).to_event(&keys)?;
+    let textnote_event = EventBuilder::text_note("Hello", []).to_event(&keys)?;
 
     // Compose reply to above text note
     let reply_event =
-        EventBuilder::new_text_note("Reply to hello", [Tag::event(textnote_event.id)])
+        EventBuilder::text_note("Reply to hello", [Tag::event(textnote_event.id)])
             .to_event(&keys)?;
 
     // Compose POW event
     let pow_event =
-        EventBuilder::new_text_note("Another reply with POW", [Tag::event(textnote_event.id)])
+        EventBuilder::text_note("Another reply with POW", [Tag::event(textnote_event.id)])
             .to_pow_event(&keys, 20)?;
 
     Ok(())
diff --git a/book/src/nostr-sdk/02-installation.md b/book/src/nostr-sdk/02-installation.md
index 8e4e694e5..582afa83e 100644
--- a/book/src/nostr-sdk/02-installation.md
+++ b/book/src/nostr-sdk/02-installation.md
@@ -9,14 +9,14 @@ Add the `nostr-sdk` dependency in your `Cargo.toml` file:
 
 ```toml
 [dependencies]
-nostr-sdk = "0.26"
+nostr-sdk = "0.27"
 ```
 
 Alternatively, you can add it directly from `git` source:
 
 ```toml
 [dependencies]
-nostr-sdk = { git = "https://github.com/rust-nostr/nostr", tag = "v0.26.0" }
+nostr-sdk = { git = "https://github.com/rust-nostr/nostr", tag = "v0.27.0" }
 ```
 
 ```admonish info
@@ -43,7 +43,7 @@ pip install nostr-sdk
 Alternatively, you can manually add the dependency in your `requrements.txt`, `setup.py`, etc.:
 
 ```
-nostr-sdk==0.7.1
+nostr-sdk==0.8.0
 ```
 
 Import the library in your code:
@@ -140,7 +140,7 @@ repositories {
 }
 
 dependencies { 
-    implementation("io.github.rust-nostr:nostr-sdk:<version>")
+    implementation("io.github.rust-nostr:nostr-sdk:0.8.0")
 }
 ```
 
@@ -190,7 +190,7 @@ as a package dependency in Xcode.
 Add the following to the dependencies array in your `Package.swift`:
 
 ``` swift
-.package(url: "https://github.com/rust-nostr/nostr-sdk-swift.git", from: "0.7.1"),
+.package(url: "https://github.com/rust-nostr/nostr-sdk-swift.git", from: "0.8.0"),
 ```
 
 </section>
diff --git a/book/src/nostr/02-installation.md b/book/src/nostr/02-installation.md
index a6982f380..d27e2555b 100644
--- a/book/src/nostr/02-installation.md
+++ b/book/src/nostr/02-installation.md
@@ -9,14 +9,14 @@ Add the `nostr` dependency in your `Cargo.toml` file:
 
 ```toml,ignore
 [dependencies]
-nostr = "0.26"
+nostr = "0.27"
 ```
 
 Alternatively, you can add it directly from `git` source:
 
 ```toml,ignore
 [dependencies]
-nostr = { git = "https://github.com/rust-nostr/nostr", tag = "v0.26.0" }
+nostr = { git = "https://github.com/rust-nostr/nostr", tag = "v0.27.0" }
 ```
 
 ```admonish info
@@ -43,7 +43,7 @@ pip install nostr-protocol
 Alternatively, you can manually add the dependency in your `requrements.txt`, `setup.py`, etc.:
 
 ```
-nostr-protocol==0.7.1
+nostr-protocol==0.8.0
 ```
 
 Import the library in your code:
@@ -139,7 +139,7 @@ repositories {
 }
 
 dependencies { 
-    implementation("io.github.rust-nostr:nostr:<version>")
+    implementation("io.github.rust-nostr:nostr:0.8.0")
 }
 ```
 
@@ -188,7 +188,7 @@ as a package dependency in Xcode.
 Add the following to the dependencies array in your `Package.swift`:
 
 ``` swift
-.package(url: "https://github.com/rust-nostr/nostr-swift.git", from: "0.7.1"),
+.package(url: "https://github.com/rust-nostr/nostr-swift.git", from: "0.8.0"),
 ```
 
 Import the library in your code: