diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index 809f3acd8374..edaa49ec6e7e 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -569,9 +569,9 @@ jobs:
           #
           # To reproduce: 
           # 1. Install the version of Rust that is failing. Example: 
-          #    rustup install 1.76.0
+          #    rustup install 1.78.0
           # 2. Run the command that failed with that version. Example:
-          #    cargo +1.76.0 check -p datafusion
+          #    cargo +1.78.0 check -p datafusion
           # 
           # To resolve, either:
           # 1. Change your code to use older Rust features, 
diff --git a/Cargo.toml b/Cargo.toml
index 33c569e02278..c80297a1f5a6 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -57,7 +57,7 @@ homepage = "https://datafusion.apache.org"
 license = "Apache-2.0"
 readme = "README.md"
 repository = "https://github.com/apache/datafusion"
-rust-version = "1.76"
+rust-version = "1.78"
 version = "42.0.0"
 
 [workspace.dependencies]
diff --git a/datafusion-cli/Cargo.toml b/datafusion-cli/Cargo.toml
index 0bcf9a9e4c87..bc8671a4814e 100644
--- a/datafusion-cli/Cargo.toml
+++ b/datafusion-cli/Cargo.toml
@@ -26,7 +26,7 @@ license = "Apache-2.0"
 homepage = "https://datafusion.apache.org"
 repository = "https://github.com/apache/datafusion"
 # Specify MSRV here as `cargo msrv` doesn't support workspace version
-rust-version = "1.76"
+rust-version = "1.78"
 readme = "README.md"
 
 [dependencies]
diff --git a/datafusion/core/Cargo.toml b/datafusion/core/Cargo.toml
index de228e058096..82a799f8585c 100644
--- a/datafusion/core/Cargo.toml
+++ b/datafusion/core/Cargo.toml
@@ -30,7 +30,7 @@ authors = { workspace = true }
 # Specify MSRV here as `cargo msrv` doesn't support workspace version and fails with
 # "Unable to find key 'package.rust-version' (or 'package.metadata.msrv') in 'arrow-datafusion/Cargo.toml'"
 # https://github.com/foresterre/cargo-msrv/issues/590
-rust-version = "1.76"
+rust-version = "1.78"
 
 [lints]
 workspace = true
diff --git a/datafusion/proto-common/Cargo.toml b/datafusion/proto-common/Cargo.toml
index 7ba503171520..5051c8f9322f 100644
--- a/datafusion/proto-common/Cargo.toml
+++ b/datafusion/proto-common/Cargo.toml
@@ -26,7 +26,7 @@ homepage = { workspace = true }
 repository = { workspace = true }
 license = { workspace = true }
 authors = { workspace = true }
-rust-version = "1.76"
+rust-version = "1.78"
 
 # Exclude proto files so crates.io consumers don't need protoc
 exclude = ["*.proto"]
diff --git a/datafusion/proto-common/gen/Cargo.toml b/datafusion/proto-common/gen/Cargo.toml
index cca49dba7ed3..6d3e6cba52e6 100644
--- a/datafusion/proto-common/gen/Cargo.toml
+++ b/datafusion/proto-common/gen/Cargo.toml
@@ -20,7 +20,7 @@ name = "gen-common"
 description = "Code generation for proto"
 version = "0.1.0"
 edition = { workspace = true }
-rust-version = "1.76"
+rust-version = "1.78"
 authors = { workspace = true }
 homepage = { workspace = true }
 repository = { workspace = true }
diff --git a/datafusion/proto/Cargo.toml b/datafusion/proto/Cargo.toml
index 32678246c005..ce40129fcf93 100644
--- a/datafusion/proto/Cargo.toml
+++ b/datafusion/proto/Cargo.toml
@@ -27,7 +27,7 @@ repository = { workspace = true }
 license = { workspace = true }
 authors = { workspace = true }
 # Specify MSRV here as `cargo msrv` doesn't support workspace version
-rust-version = "1.76"
+rust-version = "1.78"
 
 # Exclude proto files so crates.io consumers don't need protoc
 exclude = ["*.proto"]
diff --git a/datafusion/proto/gen/Cargo.toml b/datafusion/proto/gen/Cargo.toml
index 1dc5f7e0dddc..14658ea78d2a 100644
--- a/datafusion/proto/gen/Cargo.toml
+++ b/datafusion/proto/gen/Cargo.toml
@@ -20,7 +20,7 @@ name = "gen"
 description = "Code generation for proto"
 version = "0.1.0"
 edition = { workspace = true }
-rust-version = "1.76"
+rust-version = "1.78"
 authors = { workspace = true }
 homepage = { workspace = true }
 repository = { workspace = true }
diff --git a/datafusion/substrait/Cargo.toml b/datafusion/substrait/Cargo.toml
index f379ac6042dd..18c34a2ce231 100644
--- a/datafusion/substrait/Cargo.toml
+++ b/datafusion/substrait/Cargo.toml
@@ -26,7 +26,7 @@ repository = { workspace = true }
 license = { workspace = true }
 authors = { workspace = true }
 # Specify MSRV here as `cargo msrv` doesn't support workspace version
-rust-version = "1.76"
+rust-version = "1.78"
 
 [lints]
 workspace = true