diff --git a/zcash_client_backend/src/fees/fixed.rs b/zcash_client_backend/src/fees/fixed.rs
index d57953399..eea1f1602 100644
--- a/zcash_client_backend/src/fees/fixed.rs
+++ b/zcash_client_backend/src/fees/fixed.rs
@@ -185,7 +185,7 @@ mod tests {
             &Vec::<TxOut>::new(),
             &[TestSaplingInput {
                 note_id: 0,
-                value: Amount::from_u64(45000).unwrap(),
+                value: Amount::from_u64(60000).unwrap(),
             }],
             &[SaplingPayment::new(Amount::from_u64(40000).unwrap())],
             &DustOutputPolicy::default(),
@@ -193,8 +193,8 @@ mod tests {
 
         assert_matches!(
             result,
-            Ok(balance) if balance.proposed_change() == [ChangeValue::Sapling(Amount::from_u64(4000).unwrap())]
-                && balance.fee_required() == Amount::from_u64(1000).unwrap()
+            Ok(balance) if balance.proposed_change() == [ChangeValue::Sapling(Amount::from_u64(10000).unwrap())]
+                && balance.fee_required() == Amount::from_u64(10000).unwrap()
         );
     }
 
@@ -218,7 +218,7 @@ mod tests {
                 // enough to pay a fee, plus dust
                 TestSaplingInput {
                     note_id: 0,
-                    value: Amount::from_u64(1100).unwrap(),
+                    value: Amount::from_u64(10100).unwrap(),
                 },
             ],
             &[SaplingPayment::new(Amount::from_u64(40000).unwrap())],
@@ -228,7 +228,7 @@ mod tests {
         assert_matches!(
             result,
             Err(ChangeError::InsufficientFunds { available, required })
-            if available == Amount::from_u64(41100).unwrap() && required == Amount::from_u64(42000).unwrap()
+            if available == Amount::from_u64(50100).unwrap() && required == Amount::from_u64(60000).unwrap()
         );
     }
 }
diff --git a/zcash_client_sqlite/src/wallet/transact.rs b/zcash_client_sqlite/src/wallet/transact.rs
index 3e2754dc5..392b8f483 100644
--- a/zcash_client_sqlite/src/wallet/transact.rs
+++ b/zcash_client_sqlite/src/wallet/transact.rs
@@ -354,7 +354,7 @@ mod tests {
                 available,
                 required
             })
-            if available == Amount::zero() && required == Amount::from_u64(1001).unwrap()
+            if available == Amount::zero() && required == Amount::from_u64(10001).unwrap()
         );
     }
 
@@ -437,7 +437,7 @@ mod tests {
                 required
             })
             if available == Amount::from_u64(50000).unwrap()
-                && required == Amount::from_u64(71000).unwrap()
+                && required == Amount::from_u64(80000).unwrap()
         );
 
         // Mine blocks SAPLING_ACTIVATION_HEIGHT + 2 to 9 until just before the second
@@ -472,7 +472,7 @@ mod tests {
                 required
             })
             if available == Amount::from_u64(50000).unwrap()
-                && required == Amount::from_u64(71000).unwrap()
+                && required == Amount::from_u64(80000).unwrap()
         );
 
         // Mine block 11 so that the second note becomes verified
@@ -568,7 +568,7 @@ mod tests {
                 available,
                 required
             })
-            if available == Amount::zero() && required == Amount::from_u64(3000).unwrap()
+            if available == Amount::zero() && required == Amount::from_u64(12000).unwrap()
         );
 
         // Mine blocks SAPLING_ACTIVATION_HEIGHT + 1 to 21 (that don't send us funds)
@@ -602,7 +602,7 @@ mod tests {
                 available,
                 required
             })
-            if available == Amount::zero() && required == Amount::from_u64(3000).unwrap()
+            if available == Amount::zero() && required == Amount::from_u64(12000).unwrap()
         );
 
         // Mine block SAPLING_ACTIVATION_HEIGHT + 22 so that the first transaction expires
@@ -752,7 +752,7 @@ mod tests {
         let dfvk = usk.sapling().to_diversifiable_full_viewing_key();
 
         // Add funds to the wallet in a single note
-        let value = Amount::from_u64(51000).unwrap();
+        let value = Amount::from_u64(60000).unwrap();
         let (cb, _) = fake_compact_block(
             sapling_activation_height(),
             BlockHash([0; 32]),
@@ -806,7 +806,7 @@ mod tests {
         let dfvk = usk.sapling().to_diversifiable_full_viewing_key();
 
         // Add funds to the wallet in a single note
-        let value = Amount::from_u64(51000).unwrap();
+        let value = Amount::from_u64(60000).unwrap();
         let (cb, _) = fake_compact_block(
             sapling_activation_height(),
             BlockHash([0; 32]),
diff --git a/zcash_extensions/src/transparent/demo.rs b/zcash_extensions/src/transparent/demo.rs
index a8d3a7781..a06bffb66 100644
--- a/zcash_extensions/src/transparent/demo.rs
+++ b/zcash_extensions/src/transparent/demo.rs
@@ -814,7 +814,7 @@ mod tests {
         // create some inputs to spend
         let extsk = ExtendedSpendingKey::master(&[]);
         let to = extsk.default_address().1;
-        let note1 = to.create_note(101000, Rseed::BeforeZip212(jubjub::Fr::random(&mut rng)));
+        let note1 = to.create_note(110000, Rseed::BeforeZip212(jubjub::Fr::random(&mut rng)));
         let cm1 = Node::from_cmu(&note1.cmu());
         let mut tree = CommitmentTree::empty();
         // fake that the note appears in some previous
diff --git a/zcash_primitives/CHANGELOG.md b/zcash_primitives/CHANGELOG.md
index a0403b3e8..22b750f91 100644
--- a/zcash_primitives/CHANGELOG.md
+++ b/zcash_primitives/CHANGELOG.md
@@ -6,6 +6,9 @@ and this library adheres to Rust's notion of
 [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
+### Changed
+- `zcash_primitives::transactions::component::amount::DEFAULT_FEE` increased zip317 
+  minimum possible fee.
 
 ## [0.11.0] - 2023-04-15
 ### Added
diff --git a/zcash_primitives/src/transaction/builder.rs b/zcash_primitives/src/transaction/builder.rs
index d1930ece5..f45286999 100644
--- a/zcash_primitives/src/transaction/builder.rs
+++ b/zcash_primitives/src/transaction/builder.rs
@@ -653,7 +653,7 @@ mod tests {
         builder
             .add_transparent_output(
                 &TransparentAddress::PublicKey([0; 20]),
-                Amount::from_u64(49000).unwrap(),
+                Amount::from_u64(40000).unwrap(),
             )
             .unwrap();
 
@@ -689,7 +689,7 @@ mod tests {
         builder
             .add_transparent_output(
                 &TransparentAddress::PublicKey([0; 20]),
-                Amount::from_u64(49000).unwrap(),
+                Amount::from_u64(40000).unwrap(),
             )
             .unwrap();
 
@@ -778,7 +778,7 @@ mod tests {
             );
         }
 
-        let note1 = to.create_note(50999, Rseed::BeforeZip212(jubjub::Fr::random(&mut rng)));
+        let note1 = to.create_note(59999, Rseed::BeforeZip212(jubjub::Fr::random(&mut rng)));
         let cmu1 = Node::from_cmu(&note1.cmu());
         let mut tree = CommitmentTree::empty();
         tree.append(cmu1).unwrap();
diff --git a/zcash_primitives/src/transaction/components/amount.rs b/zcash_primitives/src/transaction/components/amount.rs
index 556cea16b..7be908fd3 100644
--- a/zcash_primitives/src/transaction/components/amount.rs
+++ b/zcash_primitives/src/transaction/components/amount.rs
@@ -8,7 +8,7 @@ use orchard::value as orchard;
 pub const COIN: i64 = 1_0000_0000;
 pub const MAX_MONEY: i64 = 21_000_000 * COIN;
 
-pub const DEFAULT_FEE: Amount = Amount(1000);
+pub const DEFAULT_FEE: Amount = Amount(10_000);
 
 /// A type-safe representation of some quantity of Zcash.
 ///