diff --git a/opentelemetry-appender-log/Cargo.toml b/opentelemetry-appender-log/Cargo.toml
index a41356879b..54e70d46fc 100644
--- a/opentelemetry-appender-log/Cargo.toml
+++ b/opentelemetry-appender-log/Cargo.toml
@@ -7,7 +7,7 @@ repository = "https://github.com/open-telemetry/opentelemetry-rust/tree/main/ope
 readme = "README.md"
 keywords = ["opentelemetry", "log", "logs"]
 license = "Apache-2.0"
-rust-version = "1.64"
+rust-version = "1.65"
 edition = "2021"
 
 [dependencies]
diff --git a/opentelemetry-appender-tracing/Cargo.toml b/opentelemetry-appender-tracing/Cargo.toml
index 468d3b3a5e..c7a956fab8 100644
--- a/opentelemetry-appender-tracing/Cargo.toml
+++ b/opentelemetry-appender-tracing/Cargo.toml
@@ -8,7 +8,7 @@ repository = "https://github.com/open-telemetry/opentelemetry-rust/tree/main/ope
 readme = "README.md"
 keywords = ["opentelemetry", "log", "logs", "tracing"]
 license = "Apache-2.0"
-rust-version = "1.64"
+rust-version = "1.65"
 
 [dependencies]
 opentelemetry = { version = "0.21", path = "../opentelemetry", features = ["logs"] }
diff --git a/opentelemetry-aws/Cargo.toml b/opentelemetry-aws/Cargo.toml
index 7d1a5c2539..3dc2d7ba29 100644
--- a/opentelemetry-aws/Cargo.toml
+++ b/opentelemetry-aws/Cargo.toml
@@ -12,7 +12,7 @@ categories = [
 keywords = ["opentelemetry", "tracing"]
 license = "Apache-2.0"
 edition = "2021"
-rust-version = "1.64"
+rust-version = "1.65"
 
 [package.metadata.docs.rs]
 all-features = true
diff --git a/opentelemetry-contrib/Cargo.toml b/opentelemetry-contrib/Cargo.toml
index 7e88a0df4a..ae5c19fdc6 100644
--- a/opentelemetry-contrib/Cargo.toml
+++ b/opentelemetry-contrib/Cargo.toml
@@ -12,7 +12,7 @@ categories = [
 keywords = ["opentelemetry", "tracing"]
 license = "Apache-2.0"
 edition = "2021"
-rust-version = "1.64"
+rust-version = "1.65"
 
 [package.metadata.docs.rs]
 all-features = true
diff --git a/opentelemetry-datadog/Cargo.toml b/opentelemetry-datadog/Cargo.toml
index c4fcce8faf..42c4a1c1f2 100644
--- a/opentelemetry-datadog/Cargo.toml
+++ b/opentelemetry-datadog/Cargo.toml
@@ -12,7 +12,7 @@ categories = [
 keywords = ["opentelemetry", "tracing"]
 license = "Apache-2.0"
 edition = "2021"
-rust-version = "1.64"
+rust-version = "1.65"
 
 [package.metadata.docs.rs]
 all-features = true
diff --git a/opentelemetry-dynatrace/Cargo.toml b/opentelemetry-dynatrace/Cargo.toml
index 0a7b2da14e..cdb9bbbc7a 100644
--- a/opentelemetry-dynatrace/Cargo.toml
+++ b/opentelemetry-dynatrace/Cargo.toml
@@ -13,7 +13,7 @@ categories = [
 keywords = ["opentelemetry", "metrics", "dynatrace"]
 license = "Apache-2.0"
 edition = "2021"
-rust-version = "1.64"
+rust-version = "1.65"
 
 [package.metadata.docs.rs]
 all-features = true
diff --git a/opentelemetry-http/Cargo.toml b/opentelemetry-http/Cargo.toml
index dfd4ad429d..4db072a8c2 100644
--- a/opentelemetry-http/Cargo.toml
+++ b/opentelemetry-http/Cargo.toml
@@ -7,7 +7,7 @@ repository = "https://github.com/open-telemetry/opentelemetry-rust"
 keywords = ["opentelemetry", "tracing", "metrics"]
 license = "Apache-2.0"
 edition = "2021"
-rust-version = "1.64"
+rust-version = "1.65"
 
 [dependencies]
 async-trait = "0.1"
diff --git a/opentelemetry-jaeger/Cargo.toml b/opentelemetry-jaeger/Cargo.toml
index f8a8dab896..f4ad9868f8 100644
--- a/opentelemetry-jaeger/Cargo.toml
+++ b/opentelemetry-jaeger/Cargo.toml
@@ -13,7 +13,7 @@ categories = [
 keywords = ["opentelemetry", "jaeger", "tracing", "async"]
 license = "Apache-2.0"
 edition = "2021"
-rust-version = "1.64"
+rust-version = "1.65"
 
 [package.metadata.docs.rs]
 all-features = true
diff --git a/opentelemetry-otlp/Cargo.toml b/opentelemetry-otlp/Cargo.toml
index 85785fb901..d9d60fe252 100644
--- a/opentelemetry-otlp/Cargo.toml
+++ b/opentelemetry-otlp/Cargo.toml
@@ -13,7 +13,7 @@ categories = [
 keywords = ["opentelemetry", "otlp", "logging", "tracing", "metrics"]
 license = "Apache-2.0"
 edition = "2021"
-rust-version = "1.64"
+rust-version = "1.65"
 autotests = false
 
 [[test]]
diff --git a/opentelemetry-prometheus/Cargo.toml b/opentelemetry-prometheus/Cargo.toml
index 037e48f381..aa3bd50436 100644
--- a/opentelemetry-prometheus/Cargo.toml
+++ b/opentelemetry-prometheus/Cargo.toml
@@ -13,7 +13,7 @@ categories = [
 keywords = ["opentelemetry", "prometheus", "metrics", "async"]
 license = "Apache-2.0"
 edition = "2021"
-rust-version = "1.64"
+rust-version = "1.65"
 
 [package.metadata.docs.rs]
 all-features = true
diff --git a/opentelemetry-proto/Cargo.toml b/opentelemetry-proto/Cargo.toml
index bdb2e19506..dda2b36ace 100644
--- a/opentelemetry-proto/Cargo.toml
+++ b/opentelemetry-proto/Cargo.toml
@@ -13,7 +13,7 @@ categories = [
 keywords = ["opentelemetry", "otlp", "logging", "tracing", "metrics"]
 license = "Apache-2.0"
 edition = "2021"
-rust-version = "1.64"
+rust-version = "1.65"
 autotests = false
 
 [lib]
diff --git a/opentelemetry-sdk/Cargo.toml b/opentelemetry-sdk/Cargo.toml
index e8bf9375ee..838bea6341 100644
--- a/opentelemetry-sdk/Cargo.toml
+++ b/opentelemetry-sdk/Cargo.toml
@@ -7,7 +7,7 @@ repository = "https://github.com/open-telemetry/opentelemetry-rust"
 readme = "README.md"
 license = "Apache-2.0"
 edition = "2021"
-rust-version = "1.64"
+rust-version = "1.65"
 
 [dependencies]
 opentelemetry = { version = "0.21", path = "../opentelemetry/" }
diff --git a/opentelemetry-semantic-conventions/Cargo.toml b/opentelemetry-semantic-conventions/Cargo.toml
index db4da73858..c235799548 100644
--- a/opentelemetry-semantic-conventions/Cargo.toml
+++ b/opentelemetry-semantic-conventions/Cargo.toml
@@ -13,7 +13,7 @@ categories = [
 keywords = ["opentelemetry", "tracing", "async"]
 license = "Apache-2.0"
 edition = "2021"
-rust-version = "1.64"
+rust-version = "1.65"
 
 [package.metadata.docs.rs]
 all-features = true
@@ -23,4 +23,4 @@ rustdoc-args = ["--cfg", "docsrs"]
 opentelemetry = { version = "0.21", default-features = false, path = "../opentelemetry" }
 
 [dev-dependencies]
-opentelemetry_sdk = { features = ["trace"], path = "../opentelemetry-sdk" }
\ No newline at end of file
+opentelemetry_sdk = { features = ["trace"], path = "../opentelemetry-sdk" }
diff --git a/opentelemetry-stackdriver/Cargo.toml b/opentelemetry-stackdriver/Cargo.toml
index 14a8fbe097..8bab82d6b4 100644
--- a/opentelemetry-stackdriver/Cargo.toml
+++ b/opentelemetry-stackdriver/Cargo.toml
@@ -7,7 +7,7 @@ repository = "https://github.com/open-telemetry/opentelemetry-rust"
 license = "Apache-2.0"
 edition = "2021"
 exclude = ["/proto"]
-rust-version = "1.64"
+rust-version = "1.65"
 
 [dependencies]
 async-trait = "0.1.48"
diff --git a/opentelemetry-stdout/Cargo.toml b/opentelemetry-stdout/Cargo.toml
index 58362a13c5..0b216950d0 100644
--- a/opentelemetry-stdout/Cargo.toml
+++ b/opentelemetry-stdout/Cargo.toml
@@ -13,7 +13,7 @@ categories = [
 keywords = ["opentelemetry", "tracing", "metrics", "logs"]
 license = "Apache-2.0"
 edition = "2021"
-rust-version = "1.64"
+rust-version = "1.65"
 
 [features]
 trace = ["opentelemetry/trace", "opentelemetry_sdk/trace", "futures-util"]
diff --git a/opentelemetry-user-events-logs/Cargo.toml b/opentelemetry-user-events-logs/Cargo.toml
index e10db62558..21bff5b160 100644
--- a/opentelemetry-user-events-logs/Cargo.toml
+++ b/opentelemetry-user-events-logs/Cargo.toml
@@ -6,7 +6,7 @@ edition = "2021"
 homepage = "https://github.com/open-telemetry/opentelemetry-rust/tree/main/opentelemetry-user-events-logs"
 repository = "https://github.com/open-telemetry/opentelemetry-rust/tree/main/opentelemetry-user-events-logs"
 readme = "README.md"
-rust-version = "1.68.0"
+rust-version = "1.65.0"
 keywords = ["opentelemetry", "log", "trace", "user_events"]
 license = "Apache-2.0"
 
diff --git a/opentelemetry-user-events-metrics/Cargo.toml b/opentelemetry-user-events-metrics/Cargo.toml
index 041be8b5fe..036f0ae008 100644
--- a/opentelemetry-user-events-metrics/Cargo.toml
+++ b/opentelemetry-user-events-metrics/Cargo.toml
@@ -8,7 +8,7 @@ readme = "README.md"
 keywords = ["opentelemetry", "metrics", "user-events"]
 license = "Apache-2.0"
 edition = "2021"
-rust-version = "1.64"
+rust-version = "1.65"
 
 [dependencies]
 opentelemetry = { version = "0.21", path = "../opentelemetry", features = ["metrics"] }
diff --git a/opentelemetry-zipkin/Cargo.toml b/opentelemetry-zipkin/Cargo.toml
index 03ac9dabe7..a2d973fe8d 100644
--- a/opentelemetry-zipkin/Cargo.toml
+++ b/opentelemetry-zipkin/Cargo.toml
@@ -13,7 +13,7 @@ categories = [
 keywords = ["opentelemetry", "zipkin", "tracing", "async"]
 license = "Apache-2.0"
 edition = "2021"
-rust-version = "1.64"
+rust-version = "1.65"
 
 [package.metadata.docs.rs]
 all-features = true
diff --git a/opentelemetry-zpages/Cargo.toml b/opentelemetry-zpages/Cargo.toml
index 69da0bc124..a1eb57a1de 100644
--- a/opentelemetry-zpages/Cargo.toml
+++ b/opentelemetry-zpages/Cargo.toml
@@ -13,7 +13,7 @@ categories = [
 keywords = ["opentelemetry", "zipkin", "tracing", "async"]
 license = "Apache-2.0"
 edition = "2021"
-rust-version = "1.64"
+rust-version = "1.65"
 
 [package.metadata.docs.rs]
 all-features = true
diff --git a/opentelemetry/Cargo.toml b/opentelemetry/Cargo.toml
index e84a6bcbb0..1ad3294da4 100644
--- a/opentelemetry/Cargo.toml
+++ b/opentelemetry/Cargo.toml
@@ -14,7 +14,7 @@ categories = [
 keywords = ["opentelemetry", "logging", "tracing", "metrics", "async"]
 license = "Apache-2.0"
 edition = "2021"
-rust-version = "1.64"
+rust-version = "1.65"
 
 [package.metadata.docs.rs]
 all-features = true